76558980 has 48 divisors (see below), whose sum is σ = 225650880. Its totient is φ = 19340928.

The previous prime is 76558949. The next prime is 76558991. The reversal of 76558980 is 8985567.

It is a super-2 number, since 2×76558980² = 11722554837280800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 32439 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (4701060).

Almost surely, 2^76558980 is an apocalyptic number.

It is an amenable number.

76558980 is an abundant number, since it is smaller than the sum of its proper divisors (149091900).

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

76558980 is a wasteful number, since it uses less digits than its factorization.

76558980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67188 (or 67186 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 76558980 is about 8749.7988548309. The cubic root of 76558980 is about 424.6183055132.

The spelling of 76558980 in words is "seventy-six million, five hundred fifty-eight thousand, nine hundred eighty".