28783055256 has 64 divisors (see below), whose sum is σ = 72291985920. Its totient is φ = 9549843840.

The previous prime is 28783055251. The next prime is 28783055261. The reversal of 28783055256 is 65255038782.

It is an interprime number because it is at equal distance from previous prime (28783055251) and next prime (28783055261).

It is a super-3 number, since 3×28783055256³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28783055199 and 28783055208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28783055251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12831271 + ... + 12833513.

It is an arithmetic number, because the mean of its divisors is an integer number (1129562280).

Almost surely, 2^28783055256 is an apocalyptic number.

It is an amenable number.

28783055256 is an abundant number, since it is smaller than the sum of its proper divisors (43508930664).

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

28783055256 is a wasteful number, since it uses less digits than its factorization.

28783055256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 28783055256 in words is "twenty-eight billion, seven hundred eighty-three million, fifty-five thousand, two hundred fifty-six".