79775252 has 6 divisors (see below), whose sum is σ = 139606698. Its totient is φ = 39887624.

The previous prime is 79775233. The next prime is 79775279. The reversal of 79775252 is 25257797.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 14714896 = 8066^2 + 3836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9971903 + ... + 9971910.

It is an arithmetic number, because the mean of its divisors is an integer number (23267783).

Almost surely, 2^79775252 is an apocalyptic number.

It is an amenable number.

79775252 is a deficient number, since it is larger than the sum of its proper divisors (59831446).

79775252 is a wasteful number, since it uses less digits than its factorization.

79775252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19943817 (or 19943815 counting only the distinct ones).

The product of its digits is 308700, while the sum is 44.

The square root of 79775252 is about 8931.6992784128. The cubic root of 79775252 is about 430.4830554810.

The spelling of 79775252 in words is "seventy-nine million, seven hundred seventy-five thousand, two hundred fifty-two".