68841042864087 has 32 divisors (see below), whose sum is σ = 100046123654400. Its totient is φ = 41850593551872.

The previous prime is 68841042864059. The next prime is 68841042864089. The reversal of 68841042864087 is 78046824014886.

It is not a de Polignac number, because 68841042864087 - 2³¹ = 68838895380439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68841042864089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49713864 + ... + 51079842.

It is an arithmetic number, because the mean of its divisors is an integer number (3126441364200).

Almost surely, 2^{68841042864087} is an apocalyptic number.

68841042864087 is a deficient number, since it is larger than the sum of its proper divisors (31205080790313).

68841042864087 is a wasteful number, since it uses less digits than its factorization.

68841042864087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381647.

The product of its (nonzero) digits is 132120576, while the sum is 66.

The spelling of 68841042864087 in words is "sixty-eight trillion, eight hundred forty-one billion, forty-two million, eight hundred sixty-four thousand, eighty-seven".