27100063 has 4 divisors (see below), whose sum is σ = 27251640. Its totient is φ = 26948488.

The previous prime is 27100039. The next prime is 27100067. The reversal of 27100063 is 36000172.

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 27100063 - 2⁹ = 27099551 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 27100063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27100067) 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, 75520 + ... + 75877.

It is an arithmetic number, because the mean of its divisors is an integer number (6812910).

Almost surely, 2^27100063 is an apocalyptic number.

27100063 is a deficient number, since it is larger than the sum of its proper divisors (151577).

27100063 is a wasteful number, since it uses less digits than its factorization.

27100063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151576.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 27100063 is about 5205.7720849073. The cubic root of 27100063 is about 300.3701468203.

The spelling of 27100063 in words is "twenty-seven million, one hundred thousand, sixty-three".