28333864506 has 16 divisors (see below), whose sum is σ = 58049869248. Its totient is φ = 9214264800.

The previous prime is 28333864451. The next prime is 28333864541. The reversal of 28333864506 is 60546833382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57588910 + ... + 57589401.

It is an arithmetic number, because the mean of its divisors is an integer number (3628116828).

Almost surely, 2^28333864506 is an apocalyptic number.

28333864506 is an abundant number, since it is smaller than the sum of its proper divisors (29716004742).

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

28333864506 is a wasteful number, since it uses less digits than its factorization.

28333864506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115178357.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 28333864506 in words is "twenty-eight billion, three hundred thirty-three million, eight hundred sixty-four thousand, five hundred six".