3111799679 has 4 divisors (see below), whose sum is σ = 3112660320. Its totient is φ = 3110939040.

The previous prime is 3111799667. The next prime is 3111799681. The reversal of 3111799679 is 9769971113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111799679 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 3111799679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111799079) 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, 424874 + ... + 432135.

It is an arithmetic number, because the mean of its divisors is an integer number (778165080).

Almost surely, 2^3111799679 is an apocalyptic number.

3111799679 is a deficient number, since it is larger than the sum of its proper divisors (860641).

3111799679 is an equidigital number, since it uses as much as digits as its factorization.

3111799679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860640.

The product of its digits is 642978, while the sum is 53.

The square root of 3111799679 is about 55783.5072310804. The cubic root of 3111799679 is about 1459.9474052174.

The spelling of 3111799679 in words is "three billion, one hundred eleven million, seven hundred ninety-nine thousand, six hundred seventy-nine".