79365007865 has 32 divisors (see below), whose sum is σ = 112450464000. Its totient is φ = 53012171520.

The previous prime is 79365007853. The next prime is 79365007879. The reversal of 79365007865 is 56870056397.

It is not a de Polignac number, because 79365007865 - 2⁴ = 79365007849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79365007865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136610 + ... + 421179.

It is an arithmetic number, because the mean of its divisors is an integer number (3514077000).

Almost surely, 2^79365007865 is an apocalyptic number.

It is an amenable number.

79365007865 is a deficient number, since it is larger than the sum of its proper divisors (33085456135).

79365007865 is a wasteful number, since it uses less digits than its factorization.

79365007865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558017.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 79365007865 in words is "seventy-nine billion, three hundred sixty-five million, seven thousand, eight hundred sixty-five".