976863497 has 4 divisors (see below), whose sum is σ = 976926720. Its totient is φ = 976800276.

The previous prime is 976863493. The next prime is 976863509. The reversal of 976863497 is 794368679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 794368679 = 13 ⋅61105283.

It is a cyclic number.

It is not a de Polignac number, because 976863497 - 2² = 976863493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (976863493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8708 + ... + 45050.

It is an arithmetic number, because the mean of its divisors is an integer number (244231680).

Almost surely, 2^976863497 is an apocalyptic number.

It is an amenable number.

976863497 is a deficient number, since it is larger than the sum of its proper divisors (63223).

976863497 is a wasteful number, since it uses less digits than its factorization.

976863497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63222.

The product of its digits is 13716864, while the sum is 59.

The square root of 976863497 is about 31254.8155809629. The cubic root of 976863497 is about 992.2275783064.

The spelling of 976863497 in words is "nine hundred seventy-six million, eight hundred sixty-three thousand, four hundred ninety-seven".