79816527 has 12 divisors (see below), whose sum is σ = 131760720. Its totient is φ = 45609408.

The previous prime is 79816523. The next prime is 79816553. The reversal of 79816527 is 72561897.

It is not a de Polignac number, because 79816527 - 2² = 79816523 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79816523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633402 + ... + 633527.

It is an arithmetic number, because the mean of its divisors is an integer number (10980060).

Almost surely, 2^79816527 is an apocalyptic number.

79816527 is a deficient number, since it is larger than the sum of its proper divisors (51944193).

79816527 is a wasteful number, since it uses less digits than its factorization.

79816527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266942 (or 1266939 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 79816527 is about 8934.0095701762. The cubic root of 79816527 is about 430.5572853714.

The spelling of 79816527 in words is "seventy-nine million, eight hundred sixteen thousand, five hundred twenty-seven".