961688372 has 24 divisors (see below), whose sum is σ = 1742277600. Its totient is φ = 463919456.

The previous prime is 961688359. The next prime is 961688389. The reversal of 961688372 is 273886169.

It is a self number, because there is not a number n which added to its sum of digits gives 961688372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230279 + ... + 234417.

It is an arithmetic number, because the mean of its divisors is an integer number (72594900).

Almost surely, 2^961688372 is an apocalyptic number.

It is an amenable number.

961688372 is a deficient number, since it is larger than the sum of its proper divisors (780589228).

961688372 is a wasteful number, since it uses less digits than its factorization.

961688372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175 (or 6173 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 961688372 is about 31011.1007866538. The cubic root of 961688372 is about 987.0628081709.

The spelling of 961688372 in words is "nine hundred sixty-one million, six hundred eighty-eight thousand, three hundred seventy-two".