79935128 has 64 divisors (see below), whose sum is σ = 194208000. Its totient is φ = 29953152.

The previous prime is 79935113. The next prime is 79935131. The reversal of 79935128 is 82153997.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10943 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (3034500).

Almost surely, 2^79935128 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 79935128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97104000).

79935128 is an abundant number, since it is smaller than the sum of its proper divisors (114272872).

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

79935128 is a wasteful number, since it uses less digits than its factorization.

79935128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5820 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 79935128 is about 8940.6447194819. The cubic root of 79935128 is about 430.7704377713.

The spelling of 79935128 in words is "seventy-nine million, nine hundred thirty-five thousand, one hundred twenty-eight".