76939848487680 has 72 divisors (see below), whose sum is σ = 245726641119792. Its totient is φ = 20517292929024.

The previous prime is 76939848487669. The next prime is 76939848487703. The reversal of 76939848487680 is 8678484893967.

It is a super-2 number, since 2×76939848487680² (a number of 29 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, 10018205599 + ... + 10018213278.

Almost surely, 2^{76939848487680} is an apocalyptic number.

It is an amenable number.

76939848487680 is an abundant number, since it is smaller than the sum of its proper divisors (168786792632112).

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

76939848487680 is a wasteful number, since it uses less digits than its factorization.

76939848487680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20036418901 (or 20036418887 counting only the distinct ones).

The product of its (nonzero) digits is 28092137472, while the sum is 87.

The spelling of 76939848487680 in words is "seventy-six trillion, nine hundred thirty-nine billion, eight hundred forty-eight million, four hundred eighty-seven thousand, six hundred eighty".