79111410931 has 4 divisors (see below), whose sum is σ = 90413041072. Its totient is φ = 67809780792.

The previous prime is 79111410929. The next prime is 79111410971. The reversal of 79111410931 is 13901411197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79111410931 - 2¹ = 79111410929 is a prime.

It is a super-2 number, since 2×79111410931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79111410901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5650815060 + ... + 5650815073.

It is an arithmetic number, because the mean of its divisors is an integer number (22603260268).

Almost surely, 2^79111410931 is an apocalyptic number.

79111410931 is a deficient number, since it is larger than the sum of its proper divisors (11301630141).

79111410931 is a wasteful number, since it uses less digits than its factorization.

79111410931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301630140.

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 79111410931 in words is "seventy-nine billion, one hundred eleven million, four hundred ten thousand, nine hundred thirty-one".