79816630 has 16 divisors (see below), whose sum is σ = 148305024. Its totient is φ = 30896640.

The previous prime is 79816621. The next prime is 79816673. The reversal of 79816630 is 3661897.

It is a congruent number.

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, 128427 + ... + 129046.

It is an arithmetic number, because the mean of its divisors is an integer number (9269064).

Almost surely, 2^79816630 is an apocalyptic number.

79816630 is a deficient number, since it is larger than the sum of its proper divisors (68488394).

79816630 is a wasteful number, since it uses less digits than its factorization.

79816630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257511.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 79816630 is about 8934.0153346634. The cubic root of 79816630 is about 430.5574705769.

The spelling of 79816630 in words is "seventy-nine million, eight hundred sixteen thousand, six hundred thirty".