961680976 has 20 divisors (see below), whose sum is σ = 1888783252. Its totient is φ = 474253056.

The previous prime is 961680917. The next prime is 961680997. The reversal of 961680976 is 679086169.

It can be written as a sum of positive squares in 2 ways, for example, as 179024400 + 782656576 = 13380^2 + 27976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410511 + ... + 412846.

Almost surely, 2^961680976 is an apocalyptic number.

It is an amenable number.

961680976 is a deficient number, since it is larger than the sum of its proper divisors (927102276).

961680976 is a wasteful number, since it uses less digits than its factorization.

961680976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823438 (or 823432 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 961680976 is about 31010.9815388033. The cubic root of 961680976 is about 987.0602777825.

The spelling of 961680976 in words is "nine hundred sixty-one million, six hundred eighty thousand, nine hundred seventy-six".