68277396191589 has 12 divisors (see below), whose sum is σ = 106209282964876. Its totient is φ = 42016859194752.

The previous prime is 68277396191513. The next prime is 68277396191597. The reversal of 68277396191589 is 98519169377286.

68277396191589 is a `hidden beast` number, since 6 + 8 + 2 + 77 + 396 + 1 + 9 + 158 + 9 = 666.

68277396191589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34654214089089 + 33623182102500 = 5886783^2 + 5798550^2 .

It is not a de Polignac number, because 68277396191589 - 2¹⁶ = 68277396126053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68277396191089) 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 in 11 ways as a sum of consecutive naturals, for example, 291783744292 + ... + 291783744525.

Almost surely, 2^{68277396191589} is an apocalyptic number.

It is an amenable number.

68277396191589 is a deficient number, since it is larger than the sum of its proper divisors (37931886773287).

68277396191589 is a wasteful number, since it uses less digits than its factorization.

68277396191589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583567488836 (or 583567488833 counting only the distinct ones).

The product of its digits is 2469035520, while the sum is 81.

The spelling of 68277396191589 in words is "sixty-eight trillion, two hundred seventy-seven billion, three hundred ninety-six million, one hundred ninety-one thousand, five hundred eighty-nine".