77680175847101 has 8 divisors (see below), whose sum is σ = 82675761679224. Its totient is φ = 72731941539840.

The previous prime is 77680175847017. The next prime is 77680175847103. The reversal of 77680175847101 is 10174857108677.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37716474607876 + 39963701239225 = 6141374^2 + 6321685^2 .

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 77680175847101 - 2²⁶ = 77680108738237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77680175847103) 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, 11837877830 + ... + 11837884391.

It is an arithmetic number, because the mean of its divisors is an integer number (10334470209903).

Almost surely, 2^{77680175847101} is an apocalyptic number.

It is an amenable number.

77680175847101 is a deficient number, since it is larger than the sum of its proper divisors (4995585832123).

77680175847101 is a wasteful number, since it uses less digits than its factorization.

77680175847101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23675762431.

The product of its (nonzero) digits is 18439680, while the sum is 62.

The spelling of 77680175847101 in words is "seventy-seven trillion, six hundred eighty billion, one hundred seventy-five million, eight hundred forty-seven thousand, one hundred one".