899026885 has 16 divisors (see below), whose sum is σ = 1107135792. Its totient is φ = 700416000.

The previous prime is 899026879. The next prime is 899026897. The reversal of 899026885 is 588620998.

It can be written as a sum of positive squares in 8 ways, for example, as 53787556 + 845239329 = 7334^2 + 29073^2 .

It is not a de Polignac number, because 899026885 - 2⁵ = 899026853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119557 + ... + 126853.

It is an arithmetic number, because the mean of its divisors is an integer number (69195987).

Almost surely, 2^899026885 is an apocalyptic number.

It is an amenable number.

899026885 is a deficient number, since it is larger than the sum of its proper divisors (208108907).

899026885 is a wasteful number, since it uses less digits than its factorization.

899026885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 899026885 is about 29983.7770302542. Note that the first 3 decimals coincide. The cubic root of 899026885 is about 965.1412842258.

The spelling of 899026885 in words is "eight hundred ninety-nine million, twenty-six thousand, eight hundred eighty-five".