27362087261 has 2 divisors, whose sum is σ = 27362087262. Its totient is φ = 27362087260.

The previous prime is 27362087237. The next prime is 27362087267. The reversal of 27362087261 is 16278026372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24654966361 + 2707120900 = 157019^2 + 52030^2 .

It is a cyclic number.

It is not a de Polignac number, because 27362087261 - 2²⁶ = 27294978397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27362087267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13681043630 + 13681043631.

It is an arithmetic number, because the mean of its divisors is an integer number (13681043631).

Almost surely, 2^27362087261 is an apocalyptic number.

It is an amenable number.

27362087261 is a deficient number, since it is larger than the sum of its proper divisors (1).

27362087261 is an equidigital number, since it uses as much as digits as its factorization.

27362087261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 27362087261 in words is "twenty-seven billion, three hundred sixty-two million, eighty-seven thousand, two hundred sixty-one".