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80799793398791 is a prime number
BaseRepresentation
bin10010010111110010101010…
…111110111100010000000111
3101121002101101112020100000222
4102113302222332330100013
541042310434102230131
6443502525044454555
723006410126622435
oct2227625276742007
9347071345210028
1080799793398791
1123821aaaa22335
12908b65b3aa45b
133611507082a4c
1415d4a336d9d55
15951bc4a1a87b
hex497caafbc407

80799793398791 has 2 divisors, whose sum is σ = 80799793398792. Its totient is φ = 80799793398790.

The previous prime is 80799793398773. The next prime is 80799793398913. The reversal of 80799793398791 is 19789339799708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80799793398791 - 222 = 80799789204487 is a prime.

It is a super-2 number, since 2×807997933987912 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80799793398697 and 80799793398706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80799793398761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40399896699395 + 40399896699396.

It is an arithmetic number, because the mean of its divisors is an integer number (40399896699396).

Almost surely, 280799793398791 is an apocalyptic number.

80799793398791 is a deficient number, since it is larger than the sum of its proper divisors (1).

80799793398791 is an equidigital number, since it uses as much as digits as its factorization.

80799793398791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11666192832, while the sum is 89.

The spelling of 80799793398791 in words is "eighty trillion, seven hundred ninety-nine billion, seven hundred ninety-three million, three hundred ninety-eight thousand, seven hundred ninety-one".