28750002502900 has 36 divisors (see below), whose sum is σ = 71300006208928. Its totient is φ = 9857143715040.

The previous prime is 28750002502829. The next prime is 28750002502931. The reversal of 28750002502900 is 920520005782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20535715374 + ... + 20535716773.

Almost surely, 2^{28750002502900} is an apocalyptic number.

28750002502900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28750002502900 is an abundant number, since it is smaller than the sum of its proper divisors (42550003706028).

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

28750002502900 is a wasteful number, since it uses less digits than its factorization.

28750002502900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071432168 (or 41071432161 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 28750002502900 in words is "twenty-eight trillion, seven hundred fifty billion, two million, five hundred two thousand, nine hundred".