79766785 has 8 divisors (see below), whose sum is σ = 109394496. Its totient is φ = 54697200.

The previous prime is 79766777. The next prime is 79766789. The reversal of 79766785 is 58766797.

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

It is not a de Polignac number, because 79766785 - 2³ = 79766777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79766789) 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, 1139491 + ... + 1139560.

It is an arithmetic number, because the mean of its divisors is an integer number (13674312).

Almost surely, 2^79766785 is an apocalyptic number.

It is an amenable number.

79766785 is a deficient number, since it is larger than the sum of its proper divisors (29627711).

79766785 is a wasteful number, since it uses less digits than its factorization.

79766785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279063.

The product of its digits is 4445280, while the sum is 55.

The square root of 79766785 is about 8931.2252798818. The cubic root of 79766785 is about 430.4678250727.

The spelling of 79766785 in words is "seventy-nine million, seven hundred sixty-six thousand, seven hundred eighty-five".