79987908 has 96 divisors (see below), whose sum is σ = 250629120. Its totient is φ = 19175040.

The previous prime is 79987879. The next prime is 79987913. The reversal of 79987908 is 80978997.

It is a happy number.

79987908 is nontrivially palindromic in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8683 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^79987908 is an apocalyptic number.

79987908 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79987908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125314560).

79987908 is an abundant number, since it is smaller than the sum of its proper divisors (170641212).

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

79987908 is a wasteful number, since it uses less digits than its factorization.

79987908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697 (or 6695 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 57.

The square root of 79987908 is about 8943.5959211047. The cubic root of 79987908 is about 430.8652273923.

The spelling of 79987908 in words is "seventy-nine million, nine hundred eighty-seven thousand, nine hundred eight".