28450027 has 6 divisors (see below), whose sum is σ = 30222308. Its totient is φ = 26776224.

The previous prime is 28450001. The next prime is 28450031. The reversal of 28450027 is 72005482.

It is a de Polignac number, because none of the positive numbers 2^k-28450027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28449977 and 28450004.

It is not an unprimeable number, because it can be changed into a prime (28450067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48933 + ... + 49510.

Almost surely, 2^28450027 is an apocalyptic number.

28450027 is a deficient number, since it is larger than the sum of its proper divisors (1772281).

28450027 is an equidigital number, since it uses as much as digits as its factorization.

28450027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98477 (or 98460 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28450027 is about 5333.8566722401. The cubic root of 28450027 is about 305.2771001377.

The spelling of 28450027 in words is "twenty-eight million, four hundred fifty thousand, twenty-seven".