28433873258238 has 32 divisors (see below), whose sum is σ = 65060339445504. Its totient is φ = 8115385145472.

The previous prime is 28433873258213. The next prime is 28433873258281. The reversal of 28433873258238 is 83285237833482.

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, 357403195 + ... + 357482742.

It is an arithmetic number, because the mean of its divisors is an integer number (2033135607672).

Almost surely, 2^{28433873258238} is an apocalyptic number.

28433873258238 is an abundant number, since it is smaller than the sum of its proper divisors (36626466187266).

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

28433873258238 is a wasteful number, since it uses less digits than its factorization.

28433873258238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714886896.

The product of its digits is 371589120, while the sum is 66.

The spelling of 28433873258238 in words is "twenty-eight trillion, four hundred thirty-three billion, eight hundred seventy-three million, two hundred fifty-eight thousand, two hundred thirty-eight".