79115646 has 16 divisors (see below), whose sum is σ = 158374800. Its totient is φ = 26347968.

The previous prime is 79115633. The next prime is 79115713. The reversal of 79115646 is 64651197.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (9898425).

Almost surely, 2^79115646 is an apocalyptic number.

79115646 is an abundant number, since it is smaller than the sum of its proper divisors (79259154).

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

79115646 is a wasteful number, since it uses less digits than its factorization.

79115646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963.

The product of its digits is 45360, while the sum is 39.

The square root of 79115646 is about 8894.6976339840. The cubic root of 79115646 is about 429.2933155275.

The spelling of 79115646 in words is "seventy-nine million, one hundred fifteen thousand, six hundred forty-six".