28285267575 has 24 divisors (see below), whose sum is σ = 47905590096. Its totient is φ = 14717536000.

The previous prime is 28285267561. The next prime is 28285267667. The reversal of 28285267575 is 57576258282.

It is not a de Polignac number, because 28285267575 - 2⁶ = 28285267511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4596156 + ... + 4602305.

It is an arithmetic number, because the mean of its divisors is an integer number (1996066254).

Almost surely, 2^28285267575 is an apocalyptic number.

28285267575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28285267575 is a deficient number, since it is larger than the sum of its proper divisors (19620322521).

28285267575 is a wasteful number, since it uses less digits than its factorization.

28285267575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198515 (or 9198510 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 57.

The spelling of 28285267575 in words is "twenty-eight billion, two hundred eighty-five million, two hundred sixty-seven thousand, five hundred seventy-five".