976678497 has 12 divisors (see below), whose sum is σ = 1431814800. Its totient is φ = 641400408.

The previous prime is 976678487. The next prime is 976678499. The reversal of 976678497 is 794876679.

976678497 is a `hidden beast` number, since 9 + 76 + 6 + 78 + 497 = 666.

It is not a de Polignac number, because 976678497 - 2⁷ = 976678369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (976678499) 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 in 11 ways as a sum of consecutive naturals, for example, 809247 + ... + 810452.

It is an arithmetic number, because the mean of its divisors is an integer number (119317900).

Almost surely, 2^976678497 is an apocalyptic number.

It is an amenable number.

976678497 is a deficient number, since it is larger than the sum of its proper divisors (455136303).

976678497 is a wasteful number, since it uses less digits than its factorization.

976678497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619772 (or 1619769 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The square root of 976678497 is about 31251.8558968903. The cubic root of 976678497 is about 992.1649377937.

The spelling of 976678497 in words is "nine hundred seventy-six million, six hundred seventy-eight thousand, four hundred ninety-seven".