847904672 has 12 divisors (see below), whose sum is σ = 1669312386. Its totient is φ = 423952320.

The previous prime is 847904669. The next prime is 847904711. The reversal of 847904672 is 276409748.

It can be written as a sum of positive squares in only one way, i.e., 847741456 + 163216 = 29116^2 + 404^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13248479 + ... + 13248542.

Almost surely, 2^847904672 is an apocalyptic number.

It is an amenable number.

847904672 is a deficient number, since it is larger than the sum of its proper divisors (821407714).

847904672 is a wasteful number, since it uses less digits than its factorization.

847904672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497031 (or 26497023 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 847904672 is about 29118.8027226395. The cubic root of 847904672 is about 946.4892290158.

The spelling of 847904672 in words is "eight hundred forty-seven million, nine hundred four thousand, six hundred seventy-two".