976678487 has 2 divisors, whose sum is σ = 976678488. Its totient is φ = 976678486.

The previous prime is 976678429. The next prime is 976678499. The reversal of 976678487 is 784876679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 976678487 - 2⁸ = 976678231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976674487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488339243 + 488339244.

It is an arithmetic number, because the mean of its divisors is an integer number (488339244).

Almost surely, 2^976678487 is an apocalyptic number.

976678487 is a deficient number, since it is larger than the sum of its proper divisors (1).

976678487 is an equidigital number, since it uses as much as digits as its factorization.

976678487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 62.

The square root of 976678487 is about 31251.8557368998. The cubic root of 976678487 is about 992.1649344075.

The spelling of 976678487 in words is "nine hundred seventy-six million, six hundred seventy-eight thousand, four hundred eighty-seven".