28053085275 has 36 divisors (see below), whose sum is σ = 50269085152. Its totient is φ = 14954829120.

The previous prime is 28053085213. The next prime is 28053085283. The reversal of 28053085275 is 57258035082.

It is not a de Polignac number, because 28053085275 - 2³¹ = 25905601627 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28053085275.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 487317 + ... + 541833.

Almost surely, 2^28053085275 is an apocalyptic number.

28053085275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28053085275 is a deficient number, since it is larger than the sum of its proper divisors (22215999877).

28053085275 is a wasteful number, since it uses less digits than its factorization.

28053085275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56820 (or 56812 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 28053085275 in words is "twenty-eight billion, fifty-three million, eighty-five thousand, two hundred seventy-five".