68767545807 has 40 divisors (see below), whose sum is σ = 106315294800. Its totient is φ = 44244942336.

The previous prime is 68767545773. The next prime is 68767545809. The reversal of 68767545807 is 70854576786.

68767545807 is a `hidden beast` number, since 6 + 8 + 7 + 6 + 7 + 545 + 80 + 7 = 666.

It is not a de Polignac number, because 68767545807 - 2²⁷ = 68633328079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68767545809) 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 in 39 ways as a sum of consecutive naturals, for example, 7086783 + ... + 7096479.

It is an arithmetic number, because the mean of its divisors is an integer number (2657882370).

Almost surely, 2^68767545807 is an apocalyptic number.

68767545807 is a deficient number, since it is larger than the sum of its proper divisors (37547748993).

68767545807 is a wasteful number, since it uses less digits than its factorization.

68767545807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 68767545807 in words is "sixty-eight billion, seven hundred sixty-seven million, five hundred forty-five thousand, eight hundred seven".