961183975 has 12 divisors (see below), whose sum is σ = 1232967960. Its totient is φ = 742431200.

The previous prime is 961183969. The next prime is 961183999. The reversal of 961183975 is 579381169.

It is not a de Polignac number, because 961183975 - 2⁹ = 961183463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662161 + ... + 663610.

It is an arithmetic number, because the mean of its divisors is an integer number (102747330).

Almost surely, 2^961183975 is an apocalyptic number.

961183975 is a deficient number, since it is larger than the sum of its proper divisors (271783985).

961183975 is a wasteful number, since it uses less digits than its factorization.

961183975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325810 (or 1325805 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 961183975 is about 31002.9671967055. The cubic root of 961183975 is about 986.8902094365.

The spelling of 961183975 in words is "nine hundred sixty-one million, one hundred eighty-three thousand, nine hundred seventy-five".