28075027225 has 24 divisors (see below), whose sum is σ = 39793042368. Its totient is φ = 19248196800.

The previous prime is 28075027199. The next prime is 28075027229. The reversal of 28075027225 is 52272057082.

It is not a de Polignac number, because 28075027225 - 2⁵ = 28075027193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28075027229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1521555 + ... + 1539895.

It is an arithmetic number, because the mean of its divisors is an integer number (1658043432).

Almost surely, 2^28075027225 is an apocalyptic number.

28075027225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28075027225 is a deficient number, since it is larger than the sum of its proper divisors (11718015143).

28075027225 is a wasteful number, since it uses less digits than its factorization.

28075027225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105 (or 27100 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 28075027225 in words is "twenty-eight billion, seventy-five million, twenty-seven thousand, two hundred twenty-five".