28510975263 has 16 divisors (see below), whose sum is σ = 39146783456. Its totient is φ = 18443998080.

The previous prime is 28510975243. The next prime is 28510975303. The reversal of 28510975263 is 36257901582.

It is not a de Polignac number, because 28510975263 - 2⁵ = 28510975231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28510975243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302908 + ... + 385713.

It is an arithmetic number, because the mean of its divisors is an integer number (2446673966).

Almost surely, 2^28510975263 is an apocalyptic number.

28510975263 is a deficient number, since it is larger than the sum of its proper divisors (10635808193).

28510975263 is a wasteful number, since it uses less digits than its factorization.

28510975263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689034.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 28510975263 in words is "twenty-eight billion, five hundred ten million, nine hundred seventy-five thousand, two hundred sixty-three".