79933925 has 12 divisors (see below), whose sum is σ = 100102596. Its totient is φ = 63312000.

The previous prime is 79933921. The next prime is 79933933. The reversal of 79933925 is 52933997.

It can be written as a sum of positive squares in 6 ways, for example, as 1682209 + 78251716 = 1297^2 + 8846^2 .

It is not a de Polignac number, because 79933925 - 2² = 79933921 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 79933925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79933921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13304 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (8341883).

Almost surely, 2^79933925 is an apocalyptic number.

It is an amenable number.

79933925 is a deficient number, since it is larger than the sum of its proper divisors (20168671).

79933925 is a wasteful number, since it uses less digits than its factorization.

79933925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31768 (or 31763 counting only the distinct ones).

The product of its digits is 459270, while the sum is 47.

The square root of 79933925 is about 8940.5774422014. The cubic root of 79933925 is about 430.7682767713.

The spelling of 79933925 in words is "seventy-nine million, nine hundred thirty-three thousand, nine hundred twenty-five".