27084288287491 has 2 divisors, whose sum is σ = 27084288287492. Its totient is φ = 27084288287490.

The previous prime is 27084288287447. The next prime is 27084288287629. The reversal of 27084288287491 is 19478288248072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27084288287491 - 2⁴³ = 18288195265283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27084288287491.

It is not a weakly prime, because it can be changed into another prime (27084288287401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13542144143745 + 13542144143746.

It is an arithmetic number, because the mean of its divisors is an integer number (13542144143746).

Almost surely, 2^{27084288287491} is an apocalyptic number.

27084288287491 is a deficient number, since it is larger than the sum of its proper divisors (1).

27084288287491 is an equidigital number, since it uses as much as digits as its factorization.

27084288287491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231211008, while the sum is 70.

The spelling of 27084288287491 in words is "twenty-seven trillion, eighty-four billion, two hundred eighty-eight million, two hundred eighty-seven thousand, four hundred ninety-one".