79908772 has 24 divisors (see below), whose sum is σ = 149438520. Its totient is φ = 37255680.

The previous prime is 79908743. The next prime is 79908791. The reversal of 79908772 is 27780997.

It can be written as a sum of positive squares in 4 ways, for example, as 20557156 + 59351616 = 4534^2 + 7704^2 .

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, 2022 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (6226605).

Almost surely, 2^79908772 is an apocalyptic number.

It is an amenable number.

79908772 is a deficient number, since it is larger than the sum of its proper divisors (69529748).

79908772 is a wasteful number, since it uses less digits than its factorization.

79908772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911 (or 10909 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 79908772 is about 8939.1706550440. The cubic root of 79908772 is about 430.7230884020.

The spelling of 79908772 in words is "seventy-nine million, nine hundred eight thousand, seven hundred seventy-two".