828664902944 has 48 divisors (see below), whose sum is σ = 1662751109880. Its totient is φ = 406383943680.

The previous prime is 828664902937. The next prime is 828664902953. The reversal of 828664902944 is 449209466828.

It can be written as a sum of positive squares in 4 ways, for example, as 721120259344 + 107544643600 = 849188^2 + 327940^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297534 + ... + 5451714.

Almost surely, 2^828664902944 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 828664902944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831375554940).

828664902944 is an abundant number, since it is smaller than the sum of its proper divisors (834086206936).

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

828664902944 is a wasteful number, since it uses less digits than its factorization.

828664902944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157413 (or 157405 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 828664902944 in words is "eight hundred twenty-eight billion, six hundred sixty-four million, nine hundred two thousand, nine hundred forty-four".