79936458 has 64 divisors (see below), whose sum is σ = 194304000. Its totient is φ = 21415104.

The previous prime is 79936453. The next prime is 79936459. The reversal of 79936458 is 85463997.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79936458.

It is not an unprimeable number, because it can be changed into a prime (79936453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86523 + ... + 87441.

It is an arithmetic number, because the mean of its divisors is an integer number (3036000).

Almost surely, 2^79936458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79936458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97152000).

79936458 is an abundant number, since it is smaller than the sum of its proper divisors (114367542).

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

79936458 is a wasteful number, since it uses less digits than its factorization.

79936458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 1632960, while the sum is 51.

The square root of 79936458 is about 8940.7190985960. The cubic root of 79936458 is about 430.7728268816.

The spelling of 79936458 in words is "seventy-nine million, nine hundred thirty-six thousand, four hundred fifty-eight".