899233739532 has 96 divisors (see below), whose sum is σ = 2381985930240. Its totient is φ = 293239379520.

The previous prime is 899233739501. The next prime is 899233739533. The reversal of 899233739532 is 235937332998.

899233739532 is a `hidden beast` number, since 8 + 9 + 9 + 23 + 3 + 73 + 9 + 532 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 899233739532.

It is not an unprimeable number, because it can be changed into a prime (899233739533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11997838 + ... + 12072554.

It is an arithmetic number, because the mean of its divisors is an integer number (24812353440).

Almost surely, 2^899233739532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899233739532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190992965120).

899233739532 is an abundant number, since it is smaller than the sum of its proper divisors (1482752190708).

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

899233739532 is a wasteful number, since it uses less digits than its factorization.

899233739532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77148 (or 77140 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 63.

The spelling of 899233739532 in words is "eight hundred ninety-nine billion, two hundred thirty-three million, seven hundred thirty-nine thousand, five hundred thirty-two".