16957820879 has 2 divisors, whose sum is σ = 16957820880. Its totient is φ = 16957820878.

The previous prime is 16957820839. The next prime is 16957820899. The reversal of 16957820879 is 97802875961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16957820879 - 2⁸ = 16957820623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16957820839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8478910439 + 8478910440.

It is an arithmetic number, because the mean of its divisors is an integer number (8478910440).

Almost surely, 2^16957820879 is an apocalyptic number.

16957820879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16957820879 is an equidigital number, since it uses as much as digits as its factorization.

16957820879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 16957820879 in words is "sixteen billion, nine hundred fifty-seven million, eight hundred twenty thousand, eight hundred seventy-nine".