28751886200838 has 32 divisors (see below), whose sum is σ = 58478928049152. Its totient is φ = 9422280417600.

The previous prime is 28751886200803. The next prime is 28751886200861. The reversal of 28751886200838 is 83800268815782.

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, 105400078 + ... + 105672513.

It is an arithmetic number, because the mean of its divisors is an integer number (1827466501536).

Almost surely, 2^{28751886200838} is an apocalyptic number.

28751886200838 is an abundant number, since it is smaller than the sum of its proper divisors (29727041848314).

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

28751886200838 is a wasteful number, since it uses less digits than its factorization.

28751886200838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211072980.

The product of its (nonzero) digits is 82575360, while the sum is 66.

The spelling of 28751886200838 in words is "twenty-eight trillion, seven hundred fifty-one billion, eight hundred eighty-six million, two hundred thousand, eight hundred thirty-eight".