27874955 has 16 divisors (see below), whose sum is σ = 34167744. Its totient is φ = 21826560.

The previous prime is 27874939. The next prime is 27874961. The reversal of 27874955 is 55947872.

It is a happy number.

It is not a de Polignac number, because 27874955 - 2⁴ = 27874939 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 82547 + ... + 82883.

It is an arithmetic number, because the mean of its divisors is an integer number (2135484).

Almost surely, 2^27874955 is an apocalyptic number.

27874955 is a deficient number, since it is larger than the sum of its proper divisors (6292789).

27874955 is a wasteful number, since it uses less digits than its factorization.

27874955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its digits is 705600, while the sum is 47.

The square root of 27874955 is about 5279.6737588605. The cubic root of 27874955 is about 303.2061865649.

The spelling of 27874955 in words is "twenty-seven million, eight hundred seventy-four thousand, nine hundred fifty-five".