8622973944 has 96 divisors (see below), whose sum is σ = 25203316320. Its totient is φ = 2647634688.

The previous prime is 8622973921. The next prime is 8622973973. The reversal of 8622973944 is 4493792268.

8622973944 is a `hidden beast` number, since 8 + 622 + 9 + 7 + 3 + 9 + 4 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446374 + ... + 465290.

It is an arithmetic number, because the mean of its divisors is an integer number (262534545).

Almost surely, 2^8622973944 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 8622973944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12601658160).

8622973944 is an abundant number, since it is smaller than the sum of its proper divisors (16580342376).

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

8622973944 is a wasteful number, since it uses less digits than its factorization.

8622973944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429 (or 19422 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 8622973944 is about 92859.9695455475. The cubic root of 8622973944 is about 2050.6223725220.

The spelling of 8622973944 in words is "eight billion, six hundred twenty-two million, nine hundred seventy-three thousand, nine hundred forty-four".