28200811575 has 12 divisors (see below), whose sum is σ = 46625341928. Its totient is φ = 15040432800.

The previous prime is 28200811553. The next prime is 28200811577. The reversal of 28200811575 is 57511800282.

It is not a de Polignac number, because 28200811575 - 2⁷ = 28200811447 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 (28200811577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188005336 + ... + 188005485.

Almost surely, 2^28200811575 is an apocalyptic number.

28200811575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28200811575 is a deficient number, since it is larger than the sum of its proper divisors (18424530353).

28200811575 is a wasteful number, since it uses less digits than its factorization.

28200811575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376010834 (or 376010829 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The spelling of 28200811575 in words is "twenty-eight billion, two hundred million, eight hundred eleven thousand, five hundred seventy-five".