79877116 has 12 divisors (see below), whose sum is σ = 152492760. Its totient is φ = 36307760.

The previous prime is 79877099. The next prime is 79877123. The reversal of 79877116 is 61177897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907651 + ... + 907738.

It is an arithmetic number, because the mean of its divisors is an integer number (12707730).

Almost surely, 2^79877116 is an apocalyptic number.

It is an amenable number.

79877116 is a deficient number, since it is larger than the sum of its proper divisors (72615644).

79877116 is a wasteful number, since it uses less digits than its factorization.

79877116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815404 (or 1815402 counting only the distinct ones).

The product of its digits is 148176, while the sum is 46.

The square root of 79877116 is about 8937.3998455927. The cubic root of 79877116 is about 430.6662036544. Note that the first 3 decimals are identical.

The spelling of 79877116 in words is "seventy-nine million, eight hundred seventy-seven thousand, one hundred sixteen".