626432423087 has 2 divisors, whose sum is σ = 626432423088. Its totient is φ = 626432423086.

The previous prime is 626432423083. The next prime is 626432423167. The reversal of 626432423087 is 780324234626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626432423087 - 2² = 626432423083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626432423081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313216211543 + 313216211544.

It is an arithmetic number, because the mean of its divisors is an integer number (313216211544).

Almost surely, 2^626432423087 is an apocalyptic number.

626432423087 is a deficient number, since it is larger than the sum of its proper divisors (1).

626432423087 is an equidigital number, since it uses as much as digits as its factorization.

626432423087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 626432423087 in words is "six hundred twenty-six billion, four hundred thirty-two million, four hundred twenty-three thousand, eighty-seven".