79995637 has 8 divisors (see below), whose sum is σ = 81475200. Its totient is φ = 78527904.

The previous prime is 79995631. The next prime is 79995647. The reversal of 79995637 is 73659997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79995637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79995631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11313 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (10184400).

Almost surely, 2^79995637 is an apocalyptic number.

79995637 is the 5657-th heptagonal number.

It is an amenable number.

79995637 is a deficient number, since it is larger than the sum of its proper divisors (1479563).

79995637 is a wasteful number, since it uses less digits than its factorization.

79995637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its digits is 3214890, while the sum is 55.

The square root of 79995637 is about 8944.0280075590. The cubic root of 79995637 is about 430.8791046985.

The spelling of 79995637 in words is "seventy-nine million, nine hundred ninety-five thousand, six hundred thirty-seven".