79739924761 has 8 divisors (see below), whose sum is σ = 91147875200. Its totient is φ = 68336107488.

The previous prime is 79739924723. The next prime is 79739924767. The reversal of 79739924761 is 16742993797.

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 79739924761 - 2¹³ = 79739916569 is a prime.

It is a super-3 number, since 3×79739924761³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79739924693 and 79739924702.

It is not an unprimeable number, because it can be changed into a prime (79739924767) by changing a digit.

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, 991836 + ... + 1069213.

It is an arithmetic number, because the mean of its divisors is an integer number (11393484400).

Almost surely, 2^79739924761 is an apocalyptic number.

It is an amenable number.

79739924761 is a deficient number, since it is larger than the sum of its proper divisors (11407950439).

79739924761 is a wasteful number, since it uses less digits than its factorization.

79739924761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066583.

The product of its digits is 36006768, while the sum is 64.

The spelling of 79739924761 in words is "seventy-nine billion, seven hundred thirty-nine million, nine hundred twenty-four thousand, seven hundred sixty-one".