27817996 has 12 divisors (see below), whose sum is σ = 48800080. Its totient is φ = 13875120.

The previous prime is 27817991. The next prime is 27817997. The reversal of 27817996 is 69971872.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27817991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6576 + ... + 9943.

Almost surely, 2^27817996 is an apocalyptic number.

It is an amenable number.

27817996 is a deficient number, since it is larger than the sum of its proper divisors (20982084).

27817996 is a wasteful number, since it uses less digits than its factorization.

27817996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944 (or 16942 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 27817996 is about 5274.2768224658. The cubic root of 27817996 is about 302.9995243741. Note that the first 3 decimals are identical.

The spelling of 27817996 in words is "twenty-seven million, eight hundred seventeen thousand, nine hundred ninety-six".