890429982907 has 2 divisors, whose sum is σ = 890429982908. Its totient is φ = 890429982906.

The previous prime is 890429982847. The next prime is 890429982919. The reversal of 890429982907 is 709289924098.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890429982907 is a prime.

It is not a weakly prime, because it can be changed into another prime (890439982907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445214991453 + 445214991454.

It is an arithmetic number, because the mean of its divisors is an integer number (445214991454).

Almost surely, 2^890429982907 is an apocalyptic number.

890429982907 is a deficient number, since it is larger than the sum of its proper divisors (1).

890429982907 is an equidigital number, since it uses as much as digits as its factorization.

890429982907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 890429982907 in words is "eight hundred ninety billion, four hundred twenty-nine million, nine hundred eighty-two thousand, nine hundred seven".