976986731 has 16 divisors (see below), whose sum is σ = 1165547520. Its totient is φ = 801282240.

The previous prime is 976986727. The next prime is 976986763. The reversal of 976986731 is 137689679.

It is a cyclic number.

It is not a de Polignac number, because 976986731 - 2² = 976986727 is a prime.

It is a super-2 number, since 2×976986731² = 1909006145100132722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (976986331) 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 15 ways as a sum of consecutive naturals, for example, 5981 + ... + 44606.

It is an arithmetic number, because the mean of its divisors is an integer number (72846720).

Almost surely, 2^976986731 is an apocalyptic number.

976986731 is a deficient number, since it is larger than the sum of its proper divisors (188560789).

976986731 is a wasteful number, since it uses less digits than its factorization.

976986731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50714.

The product of its digits is 3429216, while the sum is 56.

The square root of 976986731 is about 31256.7869589950. The cubic root of 976986731 is about 992.2693006256.

The spelling of 976986731 in words is "nine hundred seventy-six million, nine hundred eighty-six thousand, seven hundred thirty-one".