79135884 has 72 divisors (see below), whose sum is σ = 213228288. Its totient is φ = 24660480.

The previous prime is 79135879. The next prime is 79135891. The reversal of 79135884 is 48853197.

It is a super-2 number, since 2×79135884² = 12524976272922912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116554 + ... + 117230.

It is an arithmetic number, because the mean of its divisors is an integer number (2961504).

Almost surely, 2^79135884 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 79135884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106614144).

79135884 is an abundant number, since it is smaller than the sum of its proper divisors (134092404).

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

79135884 is a wasteful number, since it uses less digits than its factorization.

79135884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 890 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 79135884 is about 8895.8352053082. The cubic root of 79135884 is about 429.3299172107.

The spelling of 79135884 in words is "seventy-nine million, one hundred thirty-five thousand, eight hundred eighty-four".