6992879 has 2 divisors, whose sum is σ = 6992880. Its totient is φ = 6992878.

The previous prime is 6992849. The next prime is 6992903. The reversal of 6992879 is 9782996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6992879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6992809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496439 + 3496440.

It is an arithmetic number, because the mean of its divisors is an integer number (3496440).

Almost surely, 2^6992879 is an apocalyptic number.

6992879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6992879 is an equidigital number, since it uses as much as digits as its factorization.

6992879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 6992879 is about 2644.4052261331. The cubic root of 6992879 is about 191.2282296834.

It can be divided in two parts, 69928 and 79, that added together give a palindrome (70007).

The spelling of 6992879 in words is "six million, nine hundred ninety-two thousand, eight hundred seventy-nine".