8872421576 has 16 divisors (see below), whose sum is σ = 16640790540. Its totient is φ = 4434877440.

The previous prime is 8872421563. The next prime is 8872421587. The reversal of 8872421576 is 6751242788.

It can be written as a sum of positive squares in 2 ways, for example, as 7925628676 + 946792900 = 89026^2 + 30770^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138101 + ... + 191876.

Almost surely, 2^8872421576 is an apocalyptic number.

It is an amenable number.

8872421576 is a deficient number, since it is larger than the sum of its proper divisors (7768368964).

8872421576 is a wasteful number, since it uses less digits than its factorization.

8872421576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333344 (or 333340 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 8872421576 is about 94193.5325593005. The cubic root of 8872421576 is about 2070.2083523078.

The spelling of 8872421576 in words is "eight billion, eight hundred seventy-two million, four hundred twenty-one thousand, five hundred seventy-six".