899638475 has 12 divisors (see below), whose sum is σ = 1141496136. Its totient is φ = 702972480.

The previous prime is 899638469. The next prime is 899638499. The reversal of 899638475 is 574836998.

It is not a de Polignac number, because 899638475 - 2¹⁰ = 899637451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417362 + ... + 419511.

It is an arithmetic number, because the mean of its divisors is an integer number (95124678).

Almost surely, 2^899638475 is an apocalyptic number.

899638475 is a deficient number, since it is larger than the sum of its proper divisors (241857661).

899638475 is a wasteful number, since it uses less digits than its factorization.

899638475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836926 (or 836921 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The square root of 899638475 is about 29993.9739781177. The cubic root of 899638475 is about 965.3600900511.

The spelling of 899638475 in words is "eight hundred ninety-nine million, six hundred thirty-eight thousand, four hundred seventy-five".