28855033813860 has 48 divisors (see below), whose sum is σ = 80959996392576. Its totient is φ = 7678875520512.

The previous prime is 28855033813843. The next prime is 28855033813889. The reversal of 28855033813860 is 6831833055882.

It is a super-2 number, since 2×28855033813860² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 28855033813794 and 28855033813803.

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, 493725637 + ... + 493784076.

It is an arithmetic number, because the mean of its divisors is an integer number (1686666591512).

Almost surely, 2^{28855033813860} is an apocalyptic number.

28855033813860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28855033813860 is an abundant number, since it is smaller than the sum of its proper divisors (52104962578716).

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

28855033813860 is a wasteful number, since it uses less digits than its factorization.

28855033813860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987510212 (or 987510210 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 28855033813860 in words is "twenty-eight trillion, eight hundred fifty-five billion, thirty-three million, eight hundred thirteen thousand, eight hundred sixty".