889653825 has 18 divisors (see below), whose sum is σ = 1593469254. Its totient is φ = 474481920.

The previous prime is 889653811. The next prime is 889653871. The reversal of 889653825 is 528356988.

889653825 is a `hidden beast` number, since 8 + 89 + 6 + 538 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 194435136 + 695218689 = 13944^2 + 26367^2 .

It is not a de Polignac number, because 889653825 - 2⁷ = 889653697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1976784 + ... + 1977233.

Almost surely, 2^889653825 is an apocalyptic number.

It is an amenable number.

889653825 is a deficient number, since it is larger than the sum of its proper divisors (703815429).

889653825 is a wasteful number, since it uses less digits than its factorization.

889653825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954033 (or 3954025 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 889653825 is about 29827.0653098826. The cubic root of 889653825 is about 961.7754416549.

The spelling of 889653825 in words is "eight hundred eighty-nine million, six hundred fifty-three thousand, eight hundred twenty-five".