10187326828 has 48 divisors (see below), whose sum is σ = 21159673920. Its totient is φ = 4198957056.

The previous prime is 10187326813. The next prime is 10187326847. The reversal of 10187326828 is 82862378101.

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, 184276 + ... + 233092.

It is an arithmetic number, because the mean of its divisors is an integer number (440826540).

Almost surely, 2^10187326828 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 10187326828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10579836960).

10187326828 is an abundant number, since it is smaller than the sum of its proper divisors (10972347092).

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

10187326828 is a wasteful number, since it uses less digits than its factorization.

10187326828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49114 (or 49112 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 10187326828 in words is "ten billion, one hundred eighty-seven million, three hundred twenty-six thousand, eight hundred twenty-eight".