79091908 has 24 divisors (see below), whose sum is σ = 166510400. Its totient is φ = 32112288.

The previous prime is 79091899. The next prime is 79091933. The reversal of 79091908 is 80919097.

It is a super-2 number, since 2×79091908² = 12511059822160928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73803 + ... + 74866.

Almost surely, 2^79091908 is an apocalyptic number.

It is an amenable number.

79091908 is an abundant number, since it is smaller than the sum of its proper divisors (87418492).

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

79091908 is a wasteful number, since it uses less digits than its factorization.

79091908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148699 (or 148697 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 79091908 is about 8893.3631433783. The cubic root of 79091908 is about 429.2503759212.

The spelling of 79091908 in words is "seventy-nine million, ninety-one thousand, nine hundred eight".