68080792065 has 32 divisors (see below), whose sum is σ = 127972849536. Its totient is φ = 30469724160.

The previous prime is 68080792061. The next prime is 68080792111. The reversal of 68080792065 is 56029708086.

It is not a de Polignac number, because 68080792065 - 2² = 68080792061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68080791999 and 68080792017.

It is not an unprimeable number, because it can be changed into a prime (68080792061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15867504 + ... + 15871793.

It is an arithmetic number, because the mean of its divisors is an integer number (3999151548).

Almost surely, 2^68080792065 is an apocalyptic number.

68080792065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68080792065 is a deficient number, since it is larger than the sum of its proper divisors (59892057471).

68080792065 is a wasteful number, since it uses less digits than its factorization.

68080792065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31739329.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 68080792065 in words is "sixty-eight billion, eighty million, seven hundred ninety-two thousand, sixty-five".