79405608724 has 24 divisors (see below), whose sum is σ = 153299012328. Its totient is φ = 35754869760.

The previous prime is 79405608701. The next prime is 79405608743. The reversal of 79405608724 is 42780650497.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 79405604100 = 68^2 + 281790^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18620197 + ... + 18624460.

It is an arithmetic number, because the mean of its divisors is an integer number (6387458847).

Almost surely, 2^79405608724 is an apocalyptic number.

It is an amenable number.

79405608724 is a deficient number, since it is larger than the sum of its proper divisors (73893403604).

79405608724 is a wasteful number, since it uses less digits than its factorization.

79405608724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37244715 (or 37244713 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 79405608724 in words is "seventy-nine billion, four hundred five million, six hundred eight thousand, seven hundred twenty-four".