27730099 has 2 divisors, whose sum is σ = 27730100. Its totient is φ = 27730098.

The previous prime is 27730097. The next prime is 27730103. The reversal of 27730099 is 99003772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27730099 - 2¹ = 27730097 is a prime.

Together with 27730097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27730097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13865049 + 13865050.

It is an arithmetic number, because the mean of its divisors is an integer number (13865050).

Almost surely, 2^27730099 is an apocalyptic number.

27730099 is a deficient number, since it is larger than the sum of its proper divisors (1).

27730099 is an equidigital number, since it uses as much as digits as its factorization.

27730099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 27730099 is about 5265.9376183164. The cubic root of 27730099 is about 302.6800567270.

The spelling of 27730099 in words is "twenty-seven million, seven hundred thirty thousand, ninety-nine".