79000000111 has 4 divisors (see below), whose sum is σ = 80926829424. Its totient is φ = 77073170800.

The previous prime is 79000000103. The next prime is 79000000129. The reversal of 79000000111 is 11100000097.

It is a happy number.

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 79000000111 - 2³ = 79000000103 is a prime.

It is a Duffinian number.

79000000111 is a modest number, since divided by 111 gives 79 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79000000151) 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, 963414595 + ... + 963414676.

It is an arithmetic number, because the mean of its divisors is an integer number (20231707356).

Almost surely, 2^79000000111 is an apocalyptic number.

79000000111 is a deficient number, since it is larger than the sum of its proper divisors (1926829313).

79000000111 is a wasteful number, since it uses less digits than its factorization.

79000000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926829312.

The product of its (nonzero) digits is 63, while the sum is 19.

The spelling of 79000000111 in words is "seventy-nine billion, one hundred eleven", and thus it is an aban number.