961607872 has 28 divisors (see below), whose sum is σ = 1910401056. Its totient is φ = 480247040.

The previous prime is 961607831. The next prime is 961607893. The reversal of 961607872 is 278706169.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 50058 + ... + 66550.

Almost surely, 2^961607872 is an apocalyptic number.

It is an amenable number.

961607872 is a deficient number, since it is larger than the sum of its proper divisors (948793184).

961607872 is a wasteful number, since it uses less digits than its factorization.

961607872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17416 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 961607872 is about 31009.8028371675. The cubic root of 961607872 is about 987.0352660635.

The spelling of 961607872 in words is "nine hundred sixty-one million, six hundred seven thousand, eight hundred seventy-two".