7112666879 has 4 divisors (see below), whose sum is σ = 7112835576. Its totient is φ = 7112498184.

The previous prime is 7112666861. The next prime is 7112666903. The reversal of 7112666879 is 9786662117.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7112666879 - 2²⁰ = 7111618303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7112666879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7112666819) 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, 40097 + ... + 125829.

It is an arithmetic number, because the mean of its divisors is an integer number (1778208894).

Almost surely, 2^7112666879 is an apocalyptic number.

7112666879 is a deficient number, since it is larger than the sum of its proper divisors (168697).

7112666879 is an equidigital number, since it uses as much as digits as its factorization.

7112666879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168696.

The product of its digits is 1524096, while the sum is 53.

The square root of 7112666879 is about 84336.6283354984. The cubic root of 7112666879 is about 1923.1396546988.

The spelling of 7112666879 in words is "seven billion, one hundred twelve million, six hundred sixty-six thousand, eight hundred seventy-nine".