189527063 has 4 divisors (see below), whose sum is σ = 206756808. Its totient is φ = 172297320.

The previous prime is 189527047. The next prime is 189527111. The reversal of 189527063 is 360725981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189527063 - 2⁴ = 189527047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189527063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189527563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614856 + ... + 8614877.

It is an arithmetic number, because the mean of its divisors is an integer number (51689202).

Almost surely, 2^189527063 is an apocalyptic number.

189527063 is a deficient number, since it is larger than the sum of its proper divisors (17229745).

189527063 is a wasteful number, since it uses less digits than its factorization.

189527063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17229744.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 189527063 is about 13766.8828352681. The cubic root of 189527063 is about 574.4123175183.

The spelling of 189527063 in words is "one hundred eighty-nine million, five hundred twenty-seven thousand, sixty-three".