899228735 has 16 divisors (see below), whose sum is σ = 1098986400. Its totient is φ = 706144896.

The previous prime is 899228717. The next prime is 899228741. The reversal of 899228735 is 537822998.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899228735 is a prime.

It is a super-2 number, since 2×899228735² = 1617224635699400450, which contains 22 as substring.

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, 242717 + ... + 246393.

It is an arithmetic number, because the mean of its divisors is an integer number (68686650).

Almost surely, 2^899228735 is an apocalyptic number.

899228735 is a deficient number, since it is larger than the sum of its proper divisors (199757665).

899228735 is a wasteful number, since it uses less digits than its factorization.

899228735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570.

The product of its digits is 2177280, while the sum is 53.

The square root of 899228735 is about 29987.1428282189. The cubic root of 899228735 is about 965.2135101675.

The spelling of 899228735 in words is "eight hundred ninety-nine million, two hundred twenty-eight thousand, seven hundred thirty-five".