28425177 has 48 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 16339200.

The previous prime is 28425161. The next prime is 28425179. The reversal of 28425177 is 77152482.

It is not a de Polignac number, because 28425177 - 2⁴ = 28425161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28425179) 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, 190699 + ... + 190847.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^28425177 is an apocalyptic number.

It is an amenable number.

28425177 is a deficient number, since it is larger than the sum of its proper divisors (18749223).

28425177 is a wasteful number, since it uses less digits than its factorization.

28425177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 28425177 is about 5331.5267044253. The cubic root of 28425177 is about 305.1881916603.

The spelling of 28425177 in words is "twenty-eight million, four hundred twenty-five thousand, one hundred seventy-seven".