28839109327900 has 36 divisors (see below), whose sum is σ = 62632459316392. Its totient is φ = 11526133671360.

The previous prime is 28839109327883. The next prime is 28839109327921. The reversal of 28839109327900 is 972390193882.

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, 118753842 + ... + 118996441.

Almost surely, 2^{28839109327900} is an apocalyptic number.

28839109327900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28839109327900 is an abundant number, since it is smaller than the sum of its proper divisors (33793349988492).

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

28839109327900 is a wasteful number, since it uses less digits than its factorization.

28839109327900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237751510 (or 237751503 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 28839109327900 in words is "twenty-eight trillion, eight hundred thirty-nine billion, one hundred nine million, three hundred twenty-seven thousand, nine hundred".