864126607 has 2 divisors, whose sum is σ = 864126608. Its totient is φ = 864126606.

The previous prime is 864126563. The next prime is 864126647. The reversal of 864126607 is 706621468.

It is an a-pointer prime, because the next prime (864126647) can be obtained adding 864126607 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 864126607 - 2¹⁹ = 863602319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864126607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864126647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432063303 + 432063304.

It is an arithmetic number, because the mean of its divisors is an integer number (432063304).

Almost surely, 2^864126607 is an apocalyptic number.

864126607 is a deficient number, since it is larger than the sum of its proper divisors (1).

864126607 is an equidigital number, since it uses as much as digits as its factorization.

864126607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 864126607 is about 29396.0304633126. The cubic root of 864126607 is about 952.4871511506.

The spelling of 864126607 in words is "eight hundred sixty-four million, one hundred twenty-six thousand, six hundred seven".