961980025672 has 32 divisors (see below), whose sum is σ = 1848486214080. Its totient is φ = 469084633920.

The previous prime is 961980025607. The next prime is 961980025679. The reversal of 961980025672 is 276520089169.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (961980025679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916604 + ... + 2365867.

It is an arithmetic number, because the mean of its divisors is an integer number (57765194190).

Almost surely, 2^961980025672 is an apocalyptic number.

It is an amenable number.

961980025672 is a deficient number, since it is larger than the sum of its proper divisors (886506188408).

961980025672 is a wasteful number, since it uses less digits than its factorization.

961980025672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283173 (or 4283169 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 961980025672 in words is "nine hundred sixty-one billion, nine hundred eighty million, twenty-five thousand, six hundred seventy-two".