976986331 has 2 divisors, whose sum is σ = 976986332. Its totient is φ = 976986330.

The previous prime is 976986323. The next prime is 976986343. The reversal of 976986331 is 133689679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 976986331 - 2³ = 976986323 is a prime.

It is a super-2 number, since 2×976986331² = 1909004581921683122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (976986301) 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, 488493165 + 488493166.

It is an arithmetic number, because the mean of its divisors is an integer number (488493166).

Almost surely, 2^976986331 is an apocalyptic number.

976986331 is a deficient number, since it is larger than the sum of its proper divisors (1).

976986331 is an equidigital number, since it uses as much as digits as its factorization.

976986331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 976986331 is about 31256.7805603840. The cubic root of 976986331 is about 992.2691652066.

It can be divided in two parts, 9769 and 86331, that added together give a square (96100 = 310²).

The spelling of 976986331 in words is "nine hundred seventy-six million, nine hundred eighty-six thousand, three hundred thirty-one".