79976759 has 4 divisors (see below), whose sum is σ = 79997280. Its totient is φ = 79956240.

The previous prime is 79976737. The next prime is 79976779. The reversal of 79976759 is 95767997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95767997 = 13 ⋅7366769.

It is a cyclic number.

It is not a de Polignac number, because 79976759 - 2¹² = 79972663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79976698 and 79976707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79976779) 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 3 ways as a sum of consecutive naturals, for example, 2414 + ... + 12875.

It is an arithmetic number, because the mean of its divisors is an integer number (19999320).

Almost surely, 2^79976759 is an apocalyptic number.

79976759 is a deficient number, since it is larger than the sum of its proper divisors (20521).

79976759 is a wasteful number, since it uses less digits than its factorization.

79976759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520.

The product of its digits is 7501410, while the sum is 59.

The square root of 79976759 is about 8942.9726042295. The cubic root of 79976759 is about 430.8452079512.

The spelling of 79976759 in words is "seventy-nine million, nine hundred seventy-six thousand, seven hundred fifty-nine".