28533063375 has 128 divisors (see below), whose sum is σ = 55511688960. Its totient is φ = 14442624000.

The previous prime is 28533063367. The next prime is 28533063407. The reversal of 28533063375 is 57336033582.

It is a happy number.

28533063375 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 3 + 0 + 633 + 7 + 5 = 666.

It is not a de Polignac number, because 28533063375 - 2³ = 28533063367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28533063375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5117089 + ... + 5122661.

It is an arithmetic number, because the mean of its divisors is an integer number (433685070).

Almost surely, 2^28533063375 is an apocalyptic number.

28533063375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28533063375 is a deficient number, since it is larger than the sum of its proper divisors (26978625585).

28533063375 is a wasteful number, since it uses less digits than its factorization.

28533063375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 28533063375 in words is "twenty-eight billion, five hundred thirty-three million, sixty-three thousand, three hundred seventy-five".