79655765 has 8 divisors (see below), whose sum is σ = 109242240. Its totient is φ = 54621072.

The previous prime is 79655759. The next prime is 79655777. The reversal of 79655765 is 56755697.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79655765 - 2⁴ = 79655749 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1137905 + ... + 1137974.

It is an arithmetic number, because the mean of its divisors is an integer number (13655280).

Almost surely, 2^79655765 is an apocalyptic number.

It is an amenable number.

79655765 is a deficient number, since it is larger than the sum of its proper divisors (29586475).

79655765 is a wasteful number, since it uses less digits than its factorization.

79655765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275891.

The product of its digits is 1984500, while the sum is 50.

The square root of 79655765 is about 8925.0078431338. The cubic root of 79655765 is about 430.2680229168.

The spelling of 79655765 in words is "seventy-nine million, six hundred fifty-five thousand, seven hundred sixty-five".