27867966 has 24 divisors (see below), whose sum is σ = 64836360. Its totient is φ = 7962192.

The previous prime is 27867953. The next prime is 27867979. The reversal of 27867966 is 66976872.

It is an interprime number because it is at equal distance from previous prime (27867953) and next prime (27867979).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47101 + ... + 47688.

It is an arithmetic number, because the mean of its divisors is an integer number (2701515).

Almost surely, 2^27867966 is an apocalyptic number.

27867966 is an abundant number, since it is smaller than the sum of its proper divisors (36968394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27867966 is a wasteful number, since it uses less digits than its factorization.

27867966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94808 (or 94801 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 27867966 is about 5279.0118393502. The cubic root of 27867966 is about 303.1808438015.

The spelling of 27867966 in words is "twenty-seven million, eight hundred sixty-seven thousand, nine hundred sixty-six".