28527750875 has 32 divisors (see below), whose sum is σ = 38372443200. Its totient is φ = 21049536000.

The previous prime is 28527750857. The next prime is 28527750883. The reversal of 28527750875 is 57805772582.

It is not a de Polignac number, because 28527750875 - 2¹⁴ = 28527734491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28527750875.

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, 2205176 + ... + 2218074.

It is an arithmetic number, because the mean of its divisors is an integer number (1199138850).

Almost surely, 2^28527750875 is an apocalyptic number.

28527750875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28527750875 is a deficient number, since it is larger than the sum of its proper divisors (9844692325).

28527750875 is a wasteful number, since it uses less digits than its factorization.

28527750875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288 (or 14278 counting only the distinct ones).

The product of its (nonzero) digits is 10976000, while the sum is 56.

The spelling of 28527750875 in words is "twenty-eight billion, five hundred twenty-seven million, seven hundred fifty thousand, eight hundred seventy-five".