79663104 has 78 divisors (see below), whose sum is σ = 230216246. Its totient is φ = 26542080.

The previous prime is 79663069. The next prime is 79663117. The reversal of 79663104 is 40136697.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 8294400 = 8448^2 + 2880^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35784 + ... + 37944.

Almost surely, 2^79663104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79663104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115108123).

79663104 is an abundant number, since it is smaller than the sum of its proper divisors (150553142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79663104 is a wasteful number, since it uses less digits than its factorization.

79663104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 79663104 is about 8925.4189817621. The cubic root of 79663104 is about 430.2812366080.

The spelling of 79663104 in words is "seventy-nine million, six hundred sixty-three thousand, one hundred four".