79113843761 has 4 divisors (see below), whose sum is σ = 79114442352. Its totient is φ = 79113245172.

The previous prime is 79113843707. The next prime is 79113843763. The reversal of 79113843761 is 16734831197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16734831197 = 7 ⋅2390690171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79113843761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79113843763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791 + ... + 397796.

It is an arithmetic number, because the mean of its divisors is an integer number (19778610588).

Almost surely, 2^79113843761 is an apocalyptic number.

It is an amenable number.

79113843761 is a deficient number, since it is larger than the sum of its proper divisors (598591).

79113843761 is a wasteful number, since it uses less digits than its factorization.

79113843761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598590.

The product of its digits is 762048, while the sum is 50.

The spelling of 79113843761 in words is "seventy-nine billion, one hundred thirteen million, eight hundred forty-three thousand, seven hundred sixty-one".