80765384868 has 72 divisors (see below), whose sum is σ = 238286560512. Its totient is φ = 22584845952.

The previous prime is 80765384857. The next prime is 80765384873. The reversal of 80765384868 is 86848356708.

80765384868 is a `hidden beast` number, since 80 + 76 + 5 + 3 + 8 + 486 + 8 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3397705 + ... + 3421392.

Almost surely, 2^80765384868 is an apocalyptic number.

It is an amenable number.

80765384868 is an abundant number, since it is smaller than the sum of its proper divisors (157521175644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80765384868 is a wasteful number, since it uses less digits than its factorization.

80765384868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819161 (or 6819156 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 80765384868 in words is "eighty billion, seven hundred sixty-five million, three hundred eighty-four thousand, eight hundred sixty-eight".