947996688 has 40 divisors (see below), whose sum is σ = 2482548448. Its totient is φ = 311668992.

The previous prime is 947996677. The next prime is 947996723. The reversal of 947996688 is 886699749.

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, 131770 + ... + 138777.

Almost surely, 2^947996688 is an apocalyptic number.

It is an amenable number.

947996688 is an abundant number, since it is smaller than the sum of its proper divisors (1534551760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947996688 is a wasteful number, since it uses less digits than its factorization.

947996688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270631 (or 270625 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 66.

The square root of 947996688 is about 30789.5548522547. The cubic root of 947996688 is about 982.3560858558.

The spelling of 947996688 in words is "nine hundred forty-seven million, nine hundred ninety-six thousand, six hundred eighty-eight".