27140863 has 2 divisors, whose sum is σ = 27140864. Its totient is φ = 27140862.

The previous prime is 27140849. The next prime is 27140899. The reversal of 27140863 is 36804172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27140863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27140833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570431 + 13570432.

It is an arithmetic number, because the mean of its divisors is an integer number (13570432).

Almost surely, 2^27140863 is an apocalyptic number.

27140863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27140863 is an equidigital number, since it uses as much as digits as its factorization.

27140863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27140863 is about 5209.6893381468. The cubic root of 27140863 is about 300.5208101476.

The spelling of 27140863 in words is "twenty-seven million, one hundred forty thousand, eight hundred sixty-three".