828771500 has 48 divisors (see below), whose sum is σ = 1823998176. Its totient is φ = 328952000.

The previous prime is 828771491. The next prime is 828771523. The reversal of 828771500 is 5177828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59174 + ... + 71826.

It is an arithmetic number, because the mean of its divisors is an integer number (37999962).

Almost surely, 2^828771500 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 828771500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911999088).

828771500 is an abundant number, since it is smaller than the sum of its proper divisors (995226676).

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

828771500 is a wasteful number, since it uses less digits than its factorization.

828771500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803 (or 12791 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 828771500 is about 28788.3917577902. The cubic root of 828771500 is about 939.3157461850.

The spelling of 828771500 in words is "eight hundred twenty-eight million, seven hundred seventy-one thousand, five hundred".