80593478868 has 48 divisors (see below), whose sum is σ = 215457382784. Its totient is φ = 22968696960.

The previous prime is 80593478857. The next prime is 80593478897. The reversal of 80593478868 is 86887439508.

It is a super-2 number, since 2×80593478868² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80593478799 and 80593478808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175023 + ... + 1241718.

Almost surely, 2^80593478868 is an apocalyptic number.

It is an amenable number.

80593478868 is an abundant number, since it is smaller than the sum of its proper divisors (134863903916).

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

80593478868 is a wasteful number, since it uses less digits than its factorization.

80593478868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417152 (or 2417150 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 80593478868 in words is "eighty billion, five hundred ninety-three million, four hundred seventy-eight thousand, eight hundred sixty-eight".