28850148528 has 80 divisors (see below), whose sum is σ = 76583702496. Its totient is φ = 9351936000.

The previous prime is 28850148527. The next prime is 28850148539. The reversal of 28850148528 is 82584105882.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28850148527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5241778 + ... + 5247278.

Almost surely, 2^28850148528 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 28850148528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38291851248).

28850148528 is an abundant number, since it is smaller than the sum of its proper divisors (47733553968).

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

28850148528 is a wasteful number, since it uses less digits than its factorization.

28850148528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502 (or 8496 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 51.

The spelling of 28850148528 in words is "twenty-eight billion, eight hundred fifty million, one hundred forty-eight thousand, five hundred twenty-eight".