8921839875 has 64 divisors (see below), whose sum is σ = 16259443200. Its totient is φ = 4317705600.

The previous prime is 8921839841. The next prime is 8921839877. The reversal of 8921839875 is 5789381298.

It is not a de Polignac number, because 8921839875 - 2²⁴ = 8905062659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8921839877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272116 + ... + 303134.

It is an arithmetic number, because the mean of its divisors is an integer number (254053800).

Almost surely, 2^8921839875 is an apocalyptic number.

8921839875 is a deficient number, since it is larger than the sum of its proper divisors (7337603325).

8921839875 is a wasteful number, since it uses less digits than its factorization.

8921839875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31109 (or 31099 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 8921839875 is about 94455.4915026120. The cubic root of 8921839875 is about 2074.0448403052.

The spelling of 8921839875 in words is "eight billion, nine hundred twenty-one million, eight hundred thirty-nine thousand, eight hundred seventy-five".