28114133625 has 48 divisors (see below), whose sum is σ = 50741557776. Its totient is φ = 14976115200.

The previous prime is 28114133609. The next prime is 28114133629. The reversal of 28114133625 is 52633141182.

28114133625 is a `hidden beast` number, since 2 + 8 + 1 + 14 + 13 + 3 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 13751549289 + 14362584336 = 117267^2 + 119844^2 .

It is not a de Polignac number, because 28114133625 - 2⁴ = 28114133609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28114133625.

It is not an unprimeable number, because it can be changed into a prime (28114133629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 944977 + ... + 974273.

It is an arithmetic number, because the mean of its divisors is an integer number (1057115787).

Almost surely, 2^28114133625 is an apocalyptic number.

28114133625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28114133625 is a deficient number, since it is larger than the sum of its proper divisors (22627424151).

28114133625 is a wasteful number, since it uses less digits than its factorization.

28114133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171 (or 30158 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 28114133625 in words is "twenty-eight billion, one hundred fourteen million, one hundred thirty-three thousand, six hundred twenty-five".