27640883 has 2 divisors, whose sum is σ = 27640884. Its totient is φ = 27640882.

The previous prime is 27640867. The next prime is 27640897. The reversal of 27640883 is 38804672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27640883 - 2⁴ = 27640867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27640853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13820441 + 13820442.

It is an arithmetic number, because the mean of its divisors is an integer number (13820442).

Almost surely, 2^27640883 is an apocalyptic number.

27640883 is a deficient number, since it is larger than the sum of its proper divisors (1).

27640883 is an equidigital number, since it uses as much as digits as its factorization.

27640883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 27640883 is about 5257.4597478250. The cubic root of 27640883 is about 302.3551039782.

The spelling of 27640883 in words is "twenty-seven million, six hundred forty thousand, eight hundred eighty-three".