79965153 has 6 divisors (see below), whose sum is σ = 115505234. Its totient is φ = 53310096.

The previous prime is 79965133. The next prime is 79965157. The reversal of 79965153 is 35156997.

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 3017169 = 8772^2 + 1737^2 .

It is not a de Polignac number, because 79965153 - 2⁵ = 79965121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79965099 and 79965108.

It is not an unprimeable number, because it can be changed into a prime (79965157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4442500 + ... + 4442517.

Almost surely, 2^79965153 is an apocalyptic number.

It is an amenable number.

79965153 is a deficient number, since it is larger than the sum of its proper divisors (35540081).

79965153 is a wasteful number, since it uses less digits than its factorization.

79965153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885023 (or 8885020 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 79965153 is about 8942.3236913008. The cubic root of 79965153 is about 430.8243659323.

The spelling of 79965153 in words is "seventy-nine million, nine hundred sixty-five thousand, one hundred fifty-three".