864591067607 has 2 divisors, whose sum is σ = 864591067608. Its totient is φ = 864591067606.

The previous prime is 864591067577. The next prime is 864591067643. The reversal of 864591067607 is 706760195468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864591067607 - 2¹⁰ = 864591066583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864591097607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432295533803 + 432295533804.

It is an arithmetic number, because the mean of its divisors is an integer number (432295533804).

Almost surely, 2^864591067607 is an apocalyptic number.

864591067607 is a deficient number, since it is larger than the sum of its proper divisors (1).

864591067607 is an equidigital number, since it uses as much as digits as its factorization.

864591067607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 864591067607 in words is "eight hundred sixty-four billion, five hundred ninety-one million, sixty-seven thousand, six hundred seven".