27700199 has 2 divisors, whose sum is σ = 27700200. Its totient is φ = 27700198.

The previous prime is 27700181. The next prime is 27700201. The reversal of 27700199 is 99100772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27700199 - 2¹² = 27696103 is a prime.

Together with 27700201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27700139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13850099 + 13850100.

It is an arithmetic number, because the mean of its divisors is an integer number (13850100).

Almost surely, 2^27700199 is an apocalyptic number.

27700199 is a deficient number, since it is larger than the sum of its proper divisors (1).

27700199 is an equidigital number, since it uses as much as digits as its factorization.

27700199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 27700199 is about 5263.0978520259. The cubic root of 27700199 is about 302.5712292706.

The spelling of 27700199 in words is "twenty-seven million, seven hundred thousand, one hundred ninety-nine".