28860026289120 has 192 divisors, whose sum is σ = 108780099301440. Its totient is φ = 7104006457344.

The previous prime is 28860026289001. The next prime is 28860026289161. The reversal of 28860026289120 is 2198262006882.

It is a happy number.

28860026289120 is a `hidden beast` number, since 2 + 8 + 8 + 6 + 0 + 0 + 2 + 628 + 9 + 1 + 2 + 0 = 666.

It is a super-2 number, since 2×28860026289120² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256888519 + ... + 257000838.

It is an arithmetic number, because the mean of its divisors is an integer number (566563017195).

Almost surely, 2^{28860026289120} is an apocalyptic number.

28860026289120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860026289120 is an abundant number, since it is smaller than the sum of its proper divisors (79920073012320).

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

28860026289120 is a wasteful number, since it uses less digits than its factorization.

28860026289120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513889394 (or 513889380 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 28860026289120 in words is "twenty-eight trillion, eight hundred sixty billion, twenty-six million, two hundred eighty-nine thousand, one hundred twenty".