79190688 has 48 divisors (see below), whose sum is σ = 211298976. Its totient is φ = 25962240.

The previous prime is 79190653. The next prime is 79190707. The reversal of 79190688 is 88609197.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 906 + ... + 12617.

It is an arithmetic number, because the mean of its divisors is an integer number (4402062).

Almost surely, 2^79190688 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 79190688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105649488).

79190688 is an abundant number, since it is smaller than the sum of its proper divisors (132108288).

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

79190688 is a wasteful number, since it uses less digits than its factorization.

79190688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13597 (or 13589 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 79190688 is about 8898.9149900423. The cubic root of 79190688 is about 429.4290023377.

The spelling of 79190688 in words is "seventy-nine million, one hundred ninety thousand, six hundred eighty-eight".