80957064965 has 16 divisors (see below), whose sum is σ = 111058303872. Its totient is φ = 55497680064.

The previous prime is 80957064961. The next prime is 80957065019. The reversal of 80957064965 is 56946075908.

It is a cyclic number.

It is not a de Polignac number, because 80957064965 - 2² = 80957064961 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 (80957064961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201914 + ... + 450203.

It is an arithmetic number, because the mean of its divisors is an integer number (6941143992).

Almost surely, 2^80957064965 is an apocalyptic number.

It is an amenable number.

80957064965 is a deficient number, since it is larger than the sum of its proper divisors (30101238907).

80957064965 is a wasteful number, since it uses less digits than its factorization.

80957064965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655676.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 80957064965 in words is "eighty billion, nine hundred fifty-seven million, sixty-four thousand, nine hundred sixty-five".