899231165284 has 27 divisors (see below), whose sum is σ = 1580785894681. Its totient is φ = 447587216000.

The previous prime is 899231165279. The next prime is 899231165321. The reversal of 899231165284 is 482561132998.

It is a happy number.

The square root of 899231165284 is 948278.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 433124566884 + 466106598400 = 658122^2 + 682720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 476034612 + ... + 476036500.

Almost surely, 2^899231165284 is an apocalyptic number.

899231165284 is the 948278-th square number.

It is an amenable number.

899231165284 is a deficient number, since it is larger than the sum of its proper divisors (681554729397).

899231165284 is an frugal number, since it uses more digits than its factorization.

899231165284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 2142 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The spelling of 899231165284 in words is "eight hundred ninety-nine billion, two hundred thirty-one million, one hundred sixty-five thousand, two hundred eighty-four".