28080800523 has 32 divisors (see below), whose sum is σ = 41758080000. Its totient is φ = 18650069856.

The previous prime is 28080800483. The next prime is 28080800537. The reversal of 28080800523 is 32500808082.

It is not a de Polignac number, because 28080800523 - 2¹⁴ = 28080784139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28080800123) 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 31 ways as a sum of consecutive naturals, for example, 11753013 + ... + 11755401.

It is an arithmetic number, because the mean of its divisors is an integer number (1304940000).

Almost surely, 2^28080800523 is an apocalyptic number.

28080800523 is a deficient number, since it is larger than the sum of its proper divisors (13677279477).

28080800523 is a wasteful number, since it uses less digits than its factorization.

28080800523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 28080800523 in words is "twenty-eight billion, eighty million, eight hundred thousand, five hundred twenty-three".