28875900030 has 32 divisors (see below), whose sum is σ = 70137131904. Its totient is φ = 7607465376.

The previous prime is 28875900029. The next prime is 28875900049. The reversal of 28875900030 is 3000957882.

It is a Curzon number.

It is a congruent number.

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, 5795884 + ... + 5800863.

It is an arithmetic number, because the mean of its divisors is an integer number (2191785372).

Almost surely, 2^28875900030 is an apocalyptic number.

28875900030 is an abundant number, since it is smaller than the sum of its proper divisors (41261231874).

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

28875900030 is a wasteful number, since it uses less digits than its factorization.

28875900030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596840.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 28875900030 in words is "twenty-eight billion, eight hundred seventy-five million, nine hundred thousand, thirty".