80687515560 has 32 divisors (see below), whose sum is σ = 242062547040. Its totient is φ = 21516670784.

The previous prime is 80687515537. The next prime is 80687515583. The reversal of 80687515560 is 6551578608.

It is an interprime number because it is at equal distance from previous prime (80687515537) and next prime (80687515583).

It is a super-2 number, since 2×80687515560² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336197862 + ... + 336198101.

It is an arithmetic number, because the mean of its divisors is an integer number (7564454595).

Almost surely, 2^80687515560 is an apocalyptic number.

It is an amenable number.

80687515560 is an abundant number, since it is smaller than the sum of its proper divisors (161375031480).

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

80687515560 is a wasteful number, since it uses less digits than its factorization.

80687515560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672395977 (or 672395973 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 80687515560 in words is "eighty billion, six hundred eighty-seven million, five hundred fifteen thousand, five hundred sixty".