79373809525 has 6 divisors (see below), whose sum is σ = 98423523842. Its totient is φ = 63499047600.

The previous prime is 79373809511. The next prime is 79373809561. The reversal of 79373809525 is 52590837397.

It can be written as a sum of positive squares in 3 ways, for example, as 430230564 + 78943578961 = 20742^2 + 280969^2 .

It is not a de Polignac number, because 79373809525 - 2¹³ = 79373801333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79373809525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1587476166 + ... + 1587476215.

Almost surely, 2^79373809525 is an apocalyptic number.

It is an amenable number.

79373809525 is a deficient number, since it is larger than the sum of its proper divisors (19049714317).

79373809525 is a wasteful number, since it uses less digits than its factorization.

79373809525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174952391 (or 3174952386 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 79373809525 in words is "seventy-nine billion, three hundred seventy-three million, eight hundred nine thousand, five hundred twenty-five".