76826979 has 24 divisors (see below), whose sum is σ = 112919040. Its totient is φ = 50328432.

The previous prime is 76826977. The next prime is 76826983. The reversal of 76826979 is 97962867.

It is not a de Polignac number, because 76826979 - 2¹ = 76826977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76826977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165702 + ... + 166164.

It is an arithmetic number, because the mean of its divisors is an integer number (4704960).

Almost surely, 2^76826979 is an apocalyptic number.

76826979 is a deficient number, since it is larger than the sum of its proper divisors (36092061).

76826979 is a wasteful number, since it uses less digits than its factorization.

76826979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 748 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 76826979 is about 8765.1000564740. The cubic root of 76826979 is about 425.1131952236.

The spelling of 76826979 in words is "seventy-six million, eight hundred twenty-six thousand, nine hundred seventy-nine".