28315027 has 16 divisors (see below), whose sum is σ = 32068960. Its totient is φ = 24839136.

The previous prime is 28315003. The next prime is 28315033. The reversal of 28315027 is 72051382.

It is not a de Polignac number, because 28315027 - 2¹⁵ = 28282259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28314986 and 28315004.

It is not an unprimeable number, because it can be changed into a prime (28315037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658468 + ... + 658510.

It is an arithmetic number, because the mean of its divisors is an integer number (2004310).

Almost surely, 2^28315027 is an apocalyptic number.

28315027 is a deficient number, since it is larger than the sum of its proper divisors (3753933).

28315027 is an frugal number, since it uses more digits than its factorization.

28315027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 28315027 is about 5321.1866157841. The cubic root of 28315027 is about 304.7934712184.

The spelling of 28315027 in words is "twenty-eight million, three hundred fifteen thousand, twenty-seven".