168979883 has 2 divisors, whose sum is σ = 168979884. Its totient is φ = 168979882.

The previous prime is 168979871. The next prime is 168979891. The reversal of 168979883 is 388979861.

168979883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168979883 - 2¹² = 168975787 is a prime.

It is not a weakly prime, because it can be changed into another prime (168979823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84489941 + 84489942.

It is an arithmetic number, because the mean of its divisors is an integer number (84489942).

Almost surely, 2^168979883 is an apocalyptic number.

168979883 is a deficient number, since it is larger than the sum of its proper divisors (1).

168979883 is an equidigital number, since it uses as much as digits as its factorization.

168979883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 59.

The square root of 168979883 is about 12999.2262462040. The cubic root of 168979883 is about 552.8555431477.

The spelling of 168979883 in words is "one hundred sixty-eight million, nine hundred seventy-nine thousand, eight hundred eighty-three".