8868722562 has 150 divisors (see below), whose sum is σ = 23337761139. Its totient is φ = 2517139800.

The previous prime is 8868722519. The next prime is 8868722563. The reversal of 8868722562 is 2652278688.

8868722562 is a `hidden beast` number, since 8 + 8 + 6 + 8 + 72 + 2 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4434361281 + 4434361281 = 66591^2 + 66591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=66591.

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

It is a junction number, because it is equal to n+sod(n) for n = 8868722499 and 8868722508.

It is not an unprimeable number, because it can be changed into a prime (8868722563) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 58733187 + ... + 58733337.

Almost surely, 2^8868722562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8868722562

8868722562 is an abundant number, since it is smaller than the sum of its proper divisors (14469038577).

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

8868722562 is an frugal number, since it uses more digits than its factorization.

8868722562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 163 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 8868722562 is about 94173.8953319868. The cubic root of 8868722562 is about 2069.9206144729.

The spelling of 8868722562 in words is "eight billion, eight hundred sixty-eight million, seven hundred twenty-two thousand, five hundred sixty-two".