79025665 has 8 divisors (see below), whose sum is σ = 97890048. Its totient is φ = 61181040.

The previous prime is 79025663. The next prime is 79025689. The reversal of 79025665 is 56652097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79025665 - 2¹ = 79025663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79025663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254767 + ... + 255076.

It is an arithmetic number, because the mean of its divisors is an integer number (12236256).

Almost surely, 2^79025665 is an apocalyptic number.

It is an amenable number.

79025665 is a deficient number, since it is larger than the sum of its proper divisors (18864383).

79025665 is a wasteful number, since it uses less digits than its factorization.

79025665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509879.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 79025665 is about 8889.6380691229. The cubic root of 79025665 is about 429.1305036715.

It can be divided in two parts, 790256 and 65, that added together give a square (790321 = 889²).

The spelling of 79025665 in words is "seventy-nine million, twenty-five thousand, six hundred sixty-five".