27896863 has 2 divisors, whose sum is σ = 27896864. Its totient is φ = 27896862.

The previous prime is 27896839. The next prime is 27896867. The reversal of 27896863 is 36869872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27896863 - 2¹⁷ = 27765791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27896867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13948431 + 13948432.

It is an arithmetic number, because the mean of its divisors is an integer number (13948432).

Almost surely, 2^27896863 is an apocalyptic number.

27896863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27896863 is an equidigital number, since it uses as much as digits as its factorization.

27896863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 27896863 is about 5281.7481007712. The cubic root of 27896863 is about 303.2855995679.

The spelling of 27896863 in words is "twenty-seven million, eight hundred ninety-six thousand, eight hundred sixty-three".