3172199822879 has 2 divisors, whose sum is σ = 3172199822880. Its totient is φ = 3172199822878.

The previous prime is 3172199822849. The next prime is 3172199822903. The reversal of 3172199822879 is 9782289912713.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3172199822879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3172199822849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586099911439 + 1586099911440.

It is an arithmetic number, because the mean of its divisors is an integer number (1586099911440).

Almost surely, 2^{3172199822879} is an apocalyptic number.

3172199822879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172199822879 is an equidigital number, since it uses as much as digits as its factorization.

3172199822879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 68.

The spelling of 3172199822879 in words is "three trillion, one hundred seventy-two billion, one hundred ninety-nine million, eight hundred twenty-two thousand, eight hundred seventy-nine".