8624988945 has 20 divisors (see below), whose sum is σ = 15461092020. Its totient is φ = 4599993888.

The previous prime is 8624988929. The next prime is 8624989003. The reversal of 8624988945 is 5498894268.

8624988945 is a `hidden beast` number, since 8 + 62 + 498 + 89 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3758670864 + 4866318081 = 61308^2 + 69759^2 .

It is not a de Polignac number, because 8624988945 - 2⁴ = 8624988929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10647730 + ... + 10648539.

It is an arithmetic number, because the mean of its divisors is an integer number (773054601).

Almost surely, 2^8624988945 is an apocalyptic number.

It is an amenable number.

8624988945 is a deficient number, since it is larger than the sum of its proper divisors (6836103075).

8624988945 is a wasteful number, since it uses less digits than its factorization.

8624988945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296286 (or 21296277 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 8624988945 is about 92870.8185868952. The cubic root of 8624988945 is about 2050.7820886612.

The spelling of 8624988945 in words is "eight billion, six hundred twenty-four million, nine hundred eighty-eight thousand, nine hundred forty-five".