976986497 has 2 divisors, whose sum is σ = 976986498. Its totient is φ = 976986496.

The previous prime is 976986473. The next prime is 976986523. The reversal of 976986497 is 794689679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924220801 + 52765696 = 30401^2 + 7264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976986497 is a prime.

It is not a weakly prime, because it can be changed into another prime (976986407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488493248 + 488493249.

It is an arithmetic number, because the mean of its divisors is an integer number (488493249).

Almost surely, 2^976986497 is an apocalyptic number.

It is an amenable number.

976986497 is a deficient number, since it is larger than the sum of its proper divisors (1).

976986497 is an equidigital number, since it uses as much as digits as its factorization.

976986497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 65.

The square root of 976986497 is about 31256.7832158077. The cubic root of 976986497 is about 992.2692214055.

The spelling of 976986497 in words is "nine hundred seventy-six million, nine hundred eighty-six thousand, four hundred ninety-seven".