79103595891 has 4 divisors (see below), whose sum is σ = 105471461192. Its totient is φ = 52735730592.

The previous prime is 79103595853. The next prime is 79103595911. The reversal of 79103595891 is 19859530197.

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

It is not a de Polignac number, because 79103595891 - 2⁹ = 79103595379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79103595491) 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, 13183932646 + ... + 13183932651.

It is an arithmetic number, because the mean of its divisors is an integer number (26367865298).

Almost surely, 2^79103595891 is an apocalyptic number.

79103595891 is a deficient number, since it is larger than the sum of its proper divisors (26367865301).

79103595891 is a wasteful number, since it uses less digits than its factorization.

79103595891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26367865300.

The product of its (nonzero) digits is 3061800, while the sum is 57.

The spelling of 79103595891 in words is "seventy-nine billion, one hundred three million, five hundred ninety-five thousand, eight hundred ninety-one".