79839844 has 12 divisors (see below), whose sum is σ = 159679744. Its totient is φ = 34217064.

The previous prime is 79839841. The next prime is 79839847. The reversal of 79839844 is 44893897.

It is an interprime number because it is at equal distance from previous prime (79839841) and next prime (79839847).

79839844 is an admirable number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 79839791 and 79839800.

It is not an unprimeable number, because it can be changed into a prime (79839841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425684 + ... + 1425739.

Almost surely, 2^79839844 is an apocalyptic number.

It is an amenable number.

79839844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79839844 is a wasteful number, since it uses less digits than its factorization.

79839844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851434 (or 2851432 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 79839844 is about 8935.3144320723. The cubic root of 79839844 is about 430.5992078786.

The spelling of 79839844 in words is "seventy-nine million, eight hundred thirty-nine thousand, eight hundred forty-four".