79638086 has 12 divisors (see below), whose sum is σ = 131304516. Its totient is φ = 36199020.

The previous prime is 79638071. The next prime is 79638103. The reversal of 79638086 is 68083697.

It is a self number, because there is not a number n which added to its sum of digits gives 79638086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164300 + ... + 164783.

It is an arithmetic number, because the mean of its divisors is an integer number (10942043).

Almost surely, 2^79638086 is an apocalyptic number.

79638086 is a deficient number, since it is larger than the sum of its proper divisors (51666430).

79638086 is a wasteful number, since it uses less digits than its factorization.

79638086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329107 (or 329096 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 79638086 is about 8924.0173688760. The cubic root of 79638086 is about 430.2361889740.

The spelling of 79638086 in words is "seventy-nine million, six hundred thirty-eight thousand, eighty-six".