28854515063136 has 384 divisors, whose sum is σ = 89797262929920. Its totient is φ = 7942793084928.

The previous prime is 28854515063107. The next prime is 28854515063137. The reversal of 28854515063136 is 63136051545882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854515063137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595368441 + ... + 595416903.

It is an arithmetic number, because the mean of its divisors is an integer number (233847038880).

Almost surely, 2^{28854515063136} 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 28854515063136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44898631464960).

28854515063136 is an abundant number, since it is smaller than the sum of its proper divisors (60942747866784).

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

28854515063136 is a wasteful number, since it uses less digits than its factorization.

28854515063136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48838 (or 48830 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 28854515063136 in words is "twenty-eight trillion, eight hundred fifty-four billion, five hundred fifteen million, sixty-three thousand, one hundred thirty-six".