27868975 has 6 divisors (see below), whose sum is σ = 34557560. Its totient is φ = 22295160.

The previous prime is 27868963. The next prime is 27868987. The reversal of 27868975 is 57986872.

It is an interprime number because it is at equal distance from previous prime (27868963) and next prime (27868987).

It is not a de Polignac number, because 27868975 - 2⁵ = 27868943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557355 + ... + 557404.

Almost surely, 2^27868975 is an apocalyptic number.

27868975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27868975 is a deficient number, since it is larger than the sum of its proper divisors (6688585).

27868975 is a wasteful number, since it uses less digits than its factorization.

27868975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114769 (or 1114764 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 27868975 is about 5279.1074056132. The cubic root of 27868975 is about 303.1845027909.

The spelling of 27868975 in words is "twenty-seven million, eight hundred sixty-eight thousand, nine hundred seventy-five".