8815951872 has 600 divisors, whose sum is σ = 32860320416. Its totient is φ = 2293235712.

The previous prime is 8815951829. The next prime is 8815951901. The reversal of 8815951872 is 2781595188.

8815951872 is a `hidden beast` number, since 8 + 8 + 1 + 59 + 518 + 72 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120766428 + ... + 120766500.

Almost surely, 2^8815951872 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 8815951872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16430160208).

8815951872 is an abundant number, since it is smaller than the sum of its proper divisors (24044368544).

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

8815951872 is an equidigital number, since it uses as much as digits as its factorization.

8815951872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 98 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 54.

The square root of 8815951872 is about 93893.3004638776. The cubic root of 8815951872 is about 2065.8069627626.

The spelling of 8815951872 in words is "eight billion, eight hundred fifteen million, nine hundred fifty-one thousand, eight hundred seventy-two".