899348885 has 4 divisors (see below), whose sum is σ = 1079218668. Its totient is φ = 719479104.

The previous prime is 899348881. The next prime is 899348911. The reversal of 899348885 is 588843998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296597284 + 602751601 = 17222^2 + 24551^2 .

It is a cyclic number.

It is not a de Polignac number, because 899348885 - 2² = 899348881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899348881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89934884 + ... + 89934893.

It is an arithmetic number, because the mean of its divisors is an integer number (269804667).

Almost surely, 2^899348885 is an apocalyptic number.

It is an amenable number.

899348885 is a deficient number, since it is larger than the sum of its proper divisors (179869783).

899348885 is a wasteful number, since it uses less digits than its factorization.

899348885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179869782.

The product of its digits is 19906560, while the sum is 62.

The square root of 899348885 is about 29989.1461198881. The cubic root of 899348885 is about 965.2564970939.

The spelling of 899348885 in words is "eight hundred ninety-nine million, three hundred forty-eight thousand, eight hundred eighty-five".