28854273536 has 160 divisors (see below), whose sum is σ = 69493552128. Its totient is φ = 11806474240.

The previous prime is 28854273479. The next prime is 28854273557. The reversal of 28854273536 is 63537245882.

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, 2195561 + ... + 2208663.

Almost surely, 2^28854273536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28854273536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34746776064).

28854273536 is an abundant number, since it is smaller than the sum of its proper divisors (40639278592).

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

28854273536 is a wasteful number, since it uses less digits than its factorization.

28854273536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172 (or 13156 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 53.

The spelling of 28854273536 in words is "twenty-eight billion, eight hundred fifty-four million, two hundred seventy-three thousand, five hundred thirty-six".