78776962180 has 48 divisors (see below), whose sum is σ = 189099187200. Its totient is φ = 27004318848.

The previous prime is 78776962177. The next prime is 78776962193. The reversal of 78776962180 is 8126967787.

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, 765421 + ... + 862219.

It is an arithmetic number, because the mean of its divisors is an integer number (3939566400).

Almost surely, 2^78776962180 is an apocalyptic number.

78776962180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78776962180 is an abundant number, since it is smaller than the sum of its proper divisors (110322225020).

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

78776962180 is a wasteful number, since it uses less digits than its factorization.

78776962180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102628 (or 102626 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 78776962180 in words is "seventy-eight billion, seven hundred seventy-six million, nine hundred sixty-two thousand, one hundred eighty".