16968879 has 8 divisors (see below), whose sum is σ = 25139120. Its totient is φ = 11312568.

The previous prime is 16968859. The next prime is 16968883. The reversal of 16968879 is 97886961.

It is not a de Polignac number, because 16968879 - 2⁷ = 16968751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314212 + ... + 314265.

It is an arithmetic number, because the mean of its divisors is an integer number (3142390).

Almost surely, 2^16968879 is an apocalyptic number.

16968879 is a deficient number, since it is larger than the sum of its proper divisors (8170241).

16968879 is an equidigital number, since it uses as much as digits as its factorization.

16968879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628486 (or 628480 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 16968879 is about 4119.3299212372. The cubic root of 16968879 is about 256.9711595872.

The spelling of 16968879 in words is "sixteen million, nine hundred sixty-eight thousand, eight hundred seventy-nine".