899911688 has 16 divisors (see below), whose sum is σ = 1817129580. Its totient is φ = 415343808.

The previous prime is 899911637. The next prime is 899911693. The reversal of 899911688 is 886119998.

It can be written as a sum of positive squares in 2 ways, for example, as 899880004 + 31684 = 29998^2 + 178^2 .

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 3 ways as a sum of consecutive naturals, for example, 4326395 + ... + 4326602.

Almost surely, 2^899911688 is an apocalyptic number.

It is an amenable number.

899911688 is an abundant number, since it is smaller than the sum of its proper divisors (917217892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899911688 is a wasteful number, since it uses less digits than its factorization.

899911688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653016 (or 8653012 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 59.

The square root of 899911688 is about 29998.5280972250. The cubic root of 899911688 is about 965.4578042028.

The spelling of 899911688 in words is "eight hundred ninety-nine million, nine hundred eleven thousand, six hundred eighty-eight".