8670478464 has 160 divisors (see below), whose sum is σ = 26693894700. Its totient is φ = 2790402048.

The previous prime is 8670478447. The next prime is 8670478543. The reversal of 8670478464 is 4648740768.

It can be written as a sum of positive squares in 2 ways, for example, as 8613324864 + 57153600 = 92808^2 + 7560^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8670478464.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 286254 + ... + 315090.

Almost surely, 2^8670478464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8670478464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13346947350).

8670478464 is an abundant number, since it is smaller than the sum of its proper divisors (18023416236).

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

8670478464 is a wasteful number, since it uses less digits than its factorization.

8670478464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28892 (or 28871 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The square root of 8670478464 is about 93115.4040102925. The cubic root of 8670478464 is about 2054.3811488357.

The spelling of 8670478464 in words is "eight billion, six hundred seventy million, four hundred seventy-eight thousand, four hundred sixty-four".