8478662904 has 128 divisors (see below), whose sum is σ = 24840000000. Its totient is φ = 2672227584.

The previous prime is 8478662893. The next prime is 8478662921. The reversal of 8478662904 is 4092668748.

8478662904 is a `hidden beast` number, since 8 + 4 + 7 + 8 + 6 + 629 + 0 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456572 + ... + 2460020.

It is an arithmetic number, because the mean of its divisors is an integer number (194062500).

Almost surely, 2^8478662904 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 8478662904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12420000000).

8478662904 is an abundant number, since it is smaller than the sum of its proper divisors (16361337096).

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

8478662904 is a wasteful number, since it uses less digits than its factorization.

8478662904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 8478662904 is about 92079.6552122129. The cubic root of 8478662904 is about 2039.1184599476.

The spelling of 8478662904 in words is "eight billion, four hundred seventy-eight million, six hundred sixty-two thousand, nine hundred four".