27677134201 has 2 divisors, whose sum is σ = 27677134202. Its totient is φ = 27677134200.

The previous prime is 27677134139. The next prime is 27677134207. The reversal of 27677134201 is 10243177672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24320090601 + 3357043600 = 155949^2 + 57940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27677134201 is a prime.

It is not a weakly prime, because it can be changed into another prime (27677134207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13838567100 + 13838567101.

It is an arithmetic number, because the mean of its divisors is an integer number (13838567101).

Almost surely, 2^27677134201 is an apocalyptic number.

It is an amenable number.

27677134201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27677134201 is an equidigital number, since it uses as much as digits as its factorization.

27677134201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 27677134201 in words is "twenty-seven billion, six hundred seventy-seven million, one hundred thirty-four thousand, two hundred one".