786644661059 has 2 divisors, whose sum is σ = 786644661060. Its totient is φ = 786644661058.

The previous prime is 786644661029. The next prime is 786644661071. The reversal of 786644661059 is 950166446687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 786644661059 - 2²⁸ = 786376225603 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 786644660992 and 786644661010.

It is not a weakly prime, because it can be changed into another prime (786644661029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393322330529 + 393322330530.

It is an arithmetic number, because the mean of its divisors is an integer number (393322330530).

Almost surely, 2^786644661059 is an apocalyptic number.

786644661059 is a deficient number, since it is larger than the sum of its proper divisors (1).

786644661059 is an equidigital number, since it uses as much as digits as its factorization.

786644661059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 786644661059 in words is "seven hundred eighty-six billion, six hundred forty-four million, six hundred sixty-one thousand, fifty-nine".