68634232771087 has 2 divisors, whose sum is σ = 68634232771088. Its totient is φ = 68634232771086.

The previous prime is 68634232771057. The next prime is 68634232771133. The reversal of 68634232771087 is 78017723243686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68634232771087 - 2⁷ = 68634232770959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68634232771057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34317116385543 + 34317116385544.

It is an arithmetic number, because the mean of its divisors is an integer number (34317116385544).

Almost surely, 2^{68634232771087} is an apocalyptic number.

68634232771087 is a deficient number, since it is larger than the sum of its proper divisors (1).

68634232771087 is an equidigital number, since it uses as much as digits as its factorization.

68634232771087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113799168, while the sum is 64.

The spelling of 68634232771087 in words is "sixty-eight trillion, six hundred thirty-four billion, two hundred thirty-two million, seven hundred seventy-one thousand, eighty-seven".