27931049285759 has 2 divisors, whose sum is σ = 27931049285760. Its totient is φ = 27931049285758.

The previous prime is 27931049285731. The next prime is 27931049285779. The reversal of 27931049285759 is 95758294013972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27931049285759 - 2²⁴ = 27931032508543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27931049285692 and 27931049285701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27931049285779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965524642879 + 13965524642880.

It is an arithmetic number, because the mean of its divisors is an integer number (13965524642880).

Almost surely, 2^{27931049285759} is an apocalyptic number.

27931049285759 is a deficient number, since it is larger than the sum of its proper divisors (1).

27931049285759 is an equidigital number, since it uses as much as digits as its factorization.

27931049285759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 27931049285759 in words is "twenty-seven trillion, nine hundred thirty-one billion, forty-nine million, two hundred eighty-five thousand, seven hundred fifty-nine".