27486264947 has 2 divisors, whose sum is σ = 27486264948. Its totient is φ = 27486264946.

The previous prime is 27486264889. The next prime is 27486264961. The reversal of 27486264947 is 74946268472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27486264947 - 2⁸ = 27486264691 is a prime.

It is not a weakly prime, because it can be changed into another prime (27486264847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13743132473 + 13743132474.

It is an arithmetic number, because the mean of its divisors is an integer number (13743132474).

Almost surely, 2^27486264947 is an apocalyptic number.

27486264947 is a deficient number, since it is larger than the sum of its proper divisors (1).

27486264947 is an equidigital number, since it uses as much as digits as its factorization.

27486264947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 59.

The spelling of 27486264947 in words is "twenty-seven billion, four hundred eighty-six million, two hundred sixty-four thousand, nine hundred forty-seven".