79676783 has 4 divisors (see below), whose sum is σ = 80450448. Its totient is φ = 78903120.

The previous prime is 79676777. The next prime is 79676803. The reversal of 79676783 is 38767697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38767697 = 5099 ⋅7603.

It is a cyclic number.

It is not a de Polignac number, because 79676783 - 2⁶ = 79676719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79676083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386678 + ... + 386883.

It is an arithmetic number, because the mean of its divisors is an integer number (20112612).

Almost surely, 2^79676783 is an apocalyptic number.

79676783 is a deficient number, since it is larger than the sum of its proper divisors (773665).

79676783 is a wasteful number, since it uses less digits than its factorization.

79676783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773664.

The product of its digits is 2667168, while the sum is 53.

The square root of 79676783 is about 8926.1852434285. The cubic root of 79676783 is about 430.3058631494.

The spelling of 79676783 in words is "seventy-nine million, six hundred seventy-six thousand, seven hundred eighty-three".