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80792377601 = 1337167967521
BaseRepresentation
bin100101100111110011…
…0011101100100000001
321201112120010000201112
41023033212131210001
52310430322040401
6101040541013105
75560052610245
oct1131746354401
9251476100645
1080792377601
113129a211101
12137a9254195
1378073493c0
143ca60bc425
15217cd3c3bb
hex12cf99d901

80792377601 has 8 divisors (see below), whose sum is σ = 89358721704. Its totient is φ = 72561968640.

The previous prime is 80792377597. The next prime is 80792377621. The reversal of 80792377601 is 10677329708.

It is a Cunningham number, because it is equal to 2842402+1.

It can be written as a sum of positive squares in 4 ways, for example, as 335622400 + 80456755201 = 18320^2 + 283649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80792377601 - 22 = 80792377597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80792377601.

It is not an unprimeable number, because it can be changed into a prime (80792377621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83983280 + ... + 83984241.

It is an arithmetic number, because the mean of its divisors is an integer number (11169840213).

Almost surely, 280792377601 is an apocalyptic number.

It is an amenable number.

80792377601 is a deficient number, since it is larger than the sum of its proper divisors (8566344103).

80792377601 is a wasteful number, since it uses less digits than its factorization.

80792377601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167967571.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 80792377601 in words is "eighty billion, seven hundred ninety-two million, three hundred seventy-seven thousand, six hundred one".

Divisors: 1 13 37 481 167967521 2183577773 6214798277 80792377601