78930600 has 96 divisors (see below), whose sum is σ = 279654720. Its totient is φ = 18040320.

The previous prime is 78930581. The next prime is 78930653. The reversal of 78930600 is 603987.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5197 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (2913070).

Almost surely, 2^78930600 is an apocalyptic number.

78930600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78930600 is an abundant number, since it is smaller than the sum of its proper divisors (200724120).

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

78930600 is a wasteful number, since it uses less digits than its factorization.

78930600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819 (or 18810 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 78930600 is about 8884.2895045130. The cubic root of 78930600 is about 428.9583584969.

The spelling of 78930600 in words is "seventy-eight million, nine hundred thirty thousand, six hundred".