9457663972 has 48 divisors (see below), whose sum is σ = 17634668800. Its totient is φ = 4425593760.

The previous prime is 9457663967. The next prime is 9457663987. The reversal of 9457663972 is 2793667549.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226883 + ... + 2231125.

Almost surely, 2^9457663972 is an apocalyptic number.

It is an amenable number.

9457663972 is a deficient number, since it is larger than the sum of its proper divisors (8177004828).

9457663972 is a wasteful number, since it uses less digits than its factorization.

9457663972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4614 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 58.

The square root of 9457663972 is about 97250.5217055415. The cubic root of 9457663972 is about 2114.7610027508.

The spelling of 9457663972 in words is "nine billion, four hundred fifty-seven million, six hundred sixty-three thousand, nine hundred seventy-two".