27158992 has 20 divisors (see below), whose sum is σ = 60138016. Its totient is φ = 11639520.

The previous prime is 27158987. The next prime is 27159023. The reversal of 27158992 is 29985172.

It is a super-2 number, since 2×27158992² = 1475221692912128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121134 + ... + 121357.

Almost surely, 2^27158992 is an apocalyptic number.

It is an amenable number.

27158992 is an abundant number, since it is smaller than the sum of its proper divisors (32979024).

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

27158992 is a wasteful number, since it uses less digits than its factorization.

27158992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242506 (or 242500 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 27158992 is about 5211.4289786967. The cubic root of 27158992 is about 300.5877071750.

The spelling of 27158992 in words is "twenty-seven million, one hundred fifty-eight thousand, nine hundred ninety-two".