28195027 has 16 divisors (see below), whose sum is σ = 35223552. Its totient is φ = 22008960.

The previous prime is 28195001. The next prime is 28195039. The reversal of 28195027 is 72059182.

It is a cyclic number.

It is not a de Polignac number, because 28195027 - 2¹⁹ = 27670739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28194983 and 28195001.

It is not an unprimeable number, because it can be changed into a prime (28195127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133 + ... + 7510.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^28195027 is an apocalyptic number.

28195027 is a deficient number, since it is larger than the sum of its proper divisors (7028525).

28195027 is a wasteful number, since it uses less digits than its factorization.

28195027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28195027 is about 5309.8989632572. The cubic root of 28195027 is about 304.3622866566.

The spelling of 28195027 in words is "twenty-eight million, one hundred ninety-five thousand, twenty-seven".