27157356223 has 2 divisors, whose sum is σ = 27157356224. Its totient is φ = 27157356222.

The previous prime is 27157356209. The next prime is 27157356287. The reversal of 27157356223 is 32265375172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27157356223 - 2²¹ = 27155259071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27157356223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27157356293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13578678111 + 13578678112.

It is an arithmetic number, because the mean of its divisors is an integer number (13578678112).

Almost surely, 2^27157356223 is an apocalyptic number.

27157356223 is a deficient number, since it is larger than the sum of its proper divisors (1).

27157356223 is an equidigital number, since it uses as much as digits as its factorization.

27157356223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 43.

The spelling of 27157356223 in words is "twenty-seven billion, one hundred fifty-seven million, three hundred fifty-six thousand, two hundred twenty-three".