186000047 has 2 divisors, whose sum is σ = 186000048. Its totient is φ = 186000046.

The previous prime is 186000019. The next prime is 186000053. The reversal of 186000047 is 740000681.

186000047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 186000047 - 2⁸ = 185999791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93000023 + 93000024.

It is an arithmetic number, because the mean of its divisors is an integer number (93000024).

Almost surely, 2^186000047 is an apocalyptic number.

186000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

186000047 is an equidigital number, since it uses as much as digits as its factorization.

186000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 186000047 is about 13638.1834200893. The cubic root of 186000047 is about 570.8267954189.

The spelling of 186000047 in words is "one hundred eighty-six million, forty-seven", and thus it is an aban number.