27157875047 has 2 divisors, whose sum is σ = 27157875048. Its totient is φ = 27157875046.

The previous prime is 27157875023. The next prime is 27157875179. The reversal of 27157875047 is 74057875172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27157875047 - 2¹⁸ = 27157612903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27157875047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27157875247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13578937523 + 13578937524.

It is an arithmetic number, because the mean of its divisors is an integer number (13578937524).

Almost surely, 2^27157875047 is an apocalyptic number.

27157875047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27157875047 is an equidigital number, since it uses as much as digits as its factorization.

27157875047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3841600, while the sum is 53.

The spelling of 27157875047 in words is "twenty-seven billion, one hundred fifty-seven million, eight hundred seventy-five thousand, forty-seven".