78930860 has 24 divisors (see below), whose sum is σ = 169283520. Its totient is φ = 30900224.

The previous prime is 78930821. The next prime is 78930869. The reversal of 78930860 is 6803987.

It is not an unprimeable number, because it can be changed into a prime (78930869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41045 + ... + 42924.

It is an arithmetic number, because the mean of its divisors is an integer number (7053480).

Almost surely, 2^78930860 is an apocalyptic number.

It is an amenable number.

78930860 is an abundant number, since it is smaller than the sum of its proper divisors (90352660).

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

78930860 is a wasteful number, since it uses less digits than its factorization.

78930860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84025 (or 84023 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 78930860 is about 8884.3041370723. The cubic root of 78930860 is about 428.9588294974.

The spelling of 78930860 in words is "seventy-eight million, nine hundred thirty thousand, eight hundred sixty".