80914768965 has 40 divisors (see below), whose sum is σ = 145145709720. Its totient is φ = 43125239808.

The previous prime is 80914768853. The next prime is 80914768967. The reversal of 80914768965 is 56986741908.

80914768965 is a `hidden beast` number, since 80 + 9 + 1 + 476 + 89 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15316290081 + 65598478884 = 123759^2 + 256122^2 .

It is not a de Polignac number, because 80914768965 - 2³⁰ = 79841027141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80914768967) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 535957 + ... + 670133.

It is an arithmetic number, because the mean of its divisors is an integer number (3628642743).

Almost surely, 2^80914768965 is an apocalyptic number.

It is an amenable number.

80914768965 is a deficient number, since it is larger than the sum of its proper divisors (64230940755).

80914768965 is a wasteful number, since it uses less digits than its factorization.

80914768965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135683 (or 135674 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 80914768965 in words is "eighty billion, nine hundred fourteen million, seven hundred sixty-eight thousand, nine hundred sixty-five".