8947904456 has 16 divisors (see below), whose sum is σ = 16861632000. Its totient is φ = 4451469264.

The previous prime is 8947904419. The next prime is 8947904461. The reversal of 8947904456 is 6544097498.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808680 + ... + 2811863.

It is an arithmetic number, because the mean of its divisors is an integer number (1053852000).

Almost surely, 2^8947904456 is an apocalyptic number.

It is an amenable number.

8947904456 is a deficient number, since it is larger than the sum of its proper divisors (7913727544).

8947904456 is a wasteful number, since it uses less digits than its factorization.

8947904456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620748 (or 5620744 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 8947904456 is about 94593.3636995746. The cubic root of 8947904456 is about 2076.0626061609.

The spelling of 8947904456 in words is "eight billion, nine hundred forty-seven million, nine hundred four thousand, four hundred fifty-six".