985980907 has 2 divisors, whose sum is σ = 985980908. Its totient is φ = 985980906.

The previous prime is 985980871. The next prime is 985980923. The reversal of 985980907 is 709089589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985980907 is a prime.

It is not a weakly prime, because it can be changed into another prime (985980967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492990453 + 492990454.

It is an arithmetic number, because the mean of its divisors is an integer number (492990454).

Almost surely, 2^985980907 is an apocalyptic number.

985980907 is a deficient number, since it is larger than the sum of its proper divisors (1).

985980907 is an equidigital number, since it uses as much as digits as its factorization.

985980907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 985980907 is about 31400.3329122479. The cubic root of 985980907 is about 995.3049600985.

The spelling of 985980907 in words is "nine hundred eighty-five million, nine hundred eighty thousand, nine hundred seven".