979088917 has 2 divisors, whose sum is σ = 979088918. Its totient is φ = 979088916.

The previous prime is 979088899. The next prime is 979088927. The reversal of 979088917 is 719880979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969014641 + 10074276 = 31129^2 + 3174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979088917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979088927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489544458 + 489544459.

It is an arithmetic number, because the mean of its divisors is an integer number (489544459).

Almost surely, 2^979088917 is an apocalyptic number.

It is an amenable number.

979088917 is a deficient number, since it is larger than the sum of its proper divisors (1).

979088917 is an equidigital number, since it uses as much as digits as its factorization.

979088917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 58.

The square root of 979088917 is about 31290.3965618846. The cubic root of 979088917 is about 992.9804806404.

The spelling of 979088917 in words is "nine hundred seventy-nine million, eighty-eight thousand, nine hundred seventeen".