866246486627 has 2 divisors, whose sum is σ = 866246486628. Its totient is φ = 866246486626.

The previous prime is 866246486591. The next prime is 866246486663. The reversal of 866246486627 is 726684642668.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (866246486591) and next prime (866246486663).

It is a cyclic number.

It is not a de Polignac number, because 866246486627 - 2²² = 866242292323 is a prime.

It is not a weakly prime, because it can be changed into another prime (866246486227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433123243313 + 433123243314.

It is an arithmetic number, because the mean of its divisors is an integer number (433123243314).

Almost surely, 2^866246486627 is an apocalyptic number.

866246486627 is a deficient number, since it is larger than the sum of its proper divisors (1).

866246486627 is an equidigital number, since it uses as much as digits as its factorization.

866246486627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222953472, while the sum is 65.

The spelling of 866246486627 in words is "eight hundred sixty-six billion, two hundred forty-six million, four hundred eighty-six thousand, six hundred twenty-seven".