626422960879 has 2 divisors, whose sum is σ = 626422960880. Its totient is φ = 626422960878.

The previous prime is 626422960817. The next prime is 626422960883. The reversal of 626422960879 is 978069224626.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626422960879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626422960979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313211480439 + 313211480440.

It is an arithmetic number, because the mean of its divisors is an integer number (313211480440).

Almost surely, 2^626422960879 is an apocalyptic number.

626422960879 is a deficient number, since it is larger than the sum of its proper divisors (1).

626422960879 is an equidigital number, since it uses as much as digits as its factorization.

626422960879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 626422960879 in words is "six hundred twenty-six billion, four hundred twenty-two million, nine hundred sixty thousand, eight hundred seventy-nine".