79976317 has 8 divisors (see below), whose sum is σ = 81274752. Its totient is φ = 78682800.

The previous prime is 79976297. The next prime is 79976327. The reversal of 79976317 is 71367997.

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

It is a cyclic number.

It is not a de Polignac number, because 79976317 - 2¹⁹ = 79452029 is a prime.

It is a super-2 number, since 2×79976317² = 12792422561768978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79976327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45067 + ... + 46807.

It is an arithmetic number, because the mean of its divisors is an integer number (10159344).

Almost surely, 2^79976317 is an apocalyptic number.

It is an amenable number.

79976317 is a deficient number, since it is larger than the sum of its proper divisors (1298435).

79976317 is a wasteful number, since it uses less digits than its factorization.

79976317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its digits is 500094, while the sum is 49.

The square root of 79976317 is about 8942.9478920544. The cubic root of 79976317 is about 430.8444142459.

The spelling of 79976317 in words is "seventy-nine million, nine hundred seventy-six thousand, three hundred seventeen".