79766005 has 16 divisors (see below), whose sum is σ = 105856704. Its totient is φ = 57214080.

The previous prime is 79765999. The next prime is 79766017. The reversal of 79766005 is 50066797.

It is not a de Polignac number, because 79766005 - 2³ = 79765997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (6616044).

Almost surely, 2^79766005 is an apocalyptic number.

It is an amenable number.

79766005 is a deficient number, since it is larger than the sum of its proper divisors (26090699).

79766005 is a wasteful number, since it uses less digits than its factorization.

79766005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19956.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 79766005 is about 8931.1816127543. The cubic root of 79766005 is about 430.4664219574.

The spelling of 79766005 in words is "seventy-nine million, seven hundred sixty-six thousand, five".