79908825 has 24 divisors (see below), whose sum is σ = 132401248. Its totient is φ = 42526080.

The previous prime is 79908817. The next prime is 79908827. The reversal of 79908825 is 52880997.

It is a happy number.

It is not a de Polignac number, because 79908825 - 2³ = 79908817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79908827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47397 + ... + 49053.

Almost surely, 2^79908825 is an apocalyptic number.

79908825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79908825 is a deficient number, since it is larger than the sum of its proper divisors (52492423).

79908825 is a wasteful number, since it uses less digits than its factorization.

79908825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 79908825 is about 8939.1736195243. The cubic root of 79908825 is about 430.7231836286.

The spelling of 79908825 in words is "seventy-nine million, nine hundred eight thousand, eight hundred twenty-five".