8664922944 has 336 divisors, whose sum is σ = 27658974400. Its totient is φ = 2652549120.

The previous prime is 8664922943. The next prime is 8664922993. The reversal of 8664922944 is 4492294668.

8664922944 is a `hidden beast` number, since 8 + 66 + 492 + 2 + 94 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664922943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55190514 + ... + 55190670.

Almost surely, 2^8664922944 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 8664922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13829487200).

8664922944 is an abundant number, since it is smaller than the sum of its proper divisors (18994051456).

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

8664922944 is a wasteful number, since it uses less digits than its factorization.

8664922944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 222 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 8664922944 is about 93085.5678609740. The cubic root of 8664922944 is about 2053.9422805504.

The spelling of 8664922944 in words is "eight billion, six hundred sixty-four million, nine hundred twenty-two thousand, nine hundred forty-four".