27043157863 has 2 divisors, whose sum is σ = 27043157864. Its totient is φ = 27043157862.

The previous prime is 27043157849. The next prime is 27043157891. The reversal of 27043157863 is 36875134072.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27043157863 - 2²⁵ = 27009603431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27043152863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521578931 + 13521578932.

It is an arithmetic number, because the mean of its divisors is an integer number (13521578932).

Almost surely, 2^27043157863 is an apocalyptic number.

27043157863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27043157863 is an equidigital number, since it uses as much as digits as its factorization.

27043157863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 27043157863 in words is "twenty-seven billion, forty-three million, one hundred fifty-seven thousand, eight hundred sixty-three".