79702479 has 12 divisors (see below), whose sum is σ = 115264032. Its totient is φ = 53071200.

The previous prime is 79702453. The next prime is 79702489. The reversal of 79702479 is 97420797.

It is a happy number.

It is not a de Polignac number, because 79702479 - 2⁷ = 79702351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79702489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3339 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (9605336).

Almost surely, 2^79702479 is an apocalyptic number.

79702479 is a deficient number, since it is larger than the sum of its proper divisors (35561553).

79702479 is a wasteful number, since it uses less digits than its factorization.

79702479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638 (or 10635 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 79702479 is about 8927.6244880707. The cubic root of 79702479 is about 430.3521164853.

The spelling of 79702479 in words is "seventy-nine million, seven hundred two thousand, four hundred seventy-nine".