79792839 has 24 divisors (see below), whose sum is σ = 133960320. Its totient is φ = 44821008.

The previous prime is 79792813. The next prime is 79792859. The reversal of 79792839 is 93829797.

It is not a de Polignac number, because 79792839 - 2¹⁷ = 79661767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79792859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7017 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (5581680).

Almost surely, 2^79792839 is an apocalyptic number.

79792839 is a deficient number, since it is larger than the sum of its proper divisors (54167481).

79792839 is a wasteful number, since it uses less digits than its factorization.

79792839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539 (or 21536 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 79792839 is about 8932.6837512586. The cubic root of 79792839 is about 430.5146874681.

It can be divided in two parts, 797 and 92839, that added together give a square (93636 = 306²).

The spelling of 79792839 in words is "seventy-nine million, seven hundred ninety-two thousand, eight hundred thirty-nine".