189627107 has 2 divisors, whose sum is σ = 189627108. Its totient is φ = 189627106.

The previous prime is 189627073. The next prime is 189627127. The reversal of 189627107 is 701726981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189627107 - 2²⁰ = 188578531 is a prime.

It is not a weakly prime, because it can be changed into another prime (189627127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94813553 + 94813554.

It is an arithmetic number, because the mean of its divisors is an integer number (94813554).

Almost surely, 2^189627107 is an apocalyptic number.

189627107 is a deficient number, since it is larger than the sum of its proper divisors (1).

189627107 is an equidigital number, since it uses as much as digits as its factorization.

189627107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 189627107 is about 13770.5158581660. The cubic root of 189627107 is about 574.5133697489.

The spelling of 189627107 in words is "one hundred eighty-nine million, six hundred twenty-seven thousand, one hundred seven".