79025197925 has 24 divisors (see below), whose sum is σ = 101479312200. Its totient is φ = 60974484480.

The previous prime is 79025197913. The next prime is 79025198009. The reversal of 79025197925 is 52979152097.

It can be written as a sum of positive squares in 12 ways, for example, as 17234175841 + 61791022084 = 131279^2 + 248578^2 .

It is a de Polignac number, because none of the positive numbers 2^k-79025197925 is a prime.

79025197925 is a modest number, since divided by 197925 gives 79025 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621161 + ... + 737489.

It is an arithmetic number, because the mean of its divisors is an integer number (4228304675).

Almost surely, 2^79025197925 is an apocalyptic number.

It is an amenable number.

79025197925 is a deficient number, since it is larger than the sum of its proper divisors (22454114275).

79025197925 is a wasteful number, since it uses less digits than its factorization.

79025197925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117305 (or 117300 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 79025197925 in words is "seventy-nine billion, twenty-five million, one hundred ninety-seven thousand, nine hundred twenty-five".