79637965 has 24 divisors (see below), whose sum is σ = 105910560. Its totient is φ = 57441120.

The previous prime is 79637953. The next prime is 79637969. The reversal of 79637965 is 56973697.

It is not a de Polignac number, because 79637965 - 2⁵ = 79637933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79637969) by changing a digit.

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, 83622 + ... + 84568.

It is an arithmetic number, because the mean of its divisors is an integer number (4412940).

Almost surely, 2^79637965 is an apocalyptic number.

It is an amenable number.

79637965 is a deficient number, since it is larger than the sum of its proper divisors (26272595).

79637965 is a wasteful number, since it uses less digits than its factorization.

79637965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1102 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 52.

The square root of 79637965 is about 8924.0105894155. The cubic root of 79637965 is about 430.2359710774.

The spelling of 79637965 in words is "seventy-nine million, six hundred thirty-seven thousand, nine hundred sixty-five".