67782068865 has 48 divisors (see below), whose sum is σ = 139246144128. Its totient is φ = 30986084736.

The previous prime is 67782068807. The next prime is 67782068873. The reversal of 67782068865 is 56886028776.

It is not a de Polignac number, because 67782068865 - 2⁶ = 67782068801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3976332 + ... + 3993341.

It is an arithmetic number, because the mean of its divisors is an integer number (2900961336).

Almost surely, 2^67782068865 is an apocalyptic number.

It is an amenable number.

67782068865 is an abundant number, since it is smaller than the sum of its proper divisors (71464075263).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67782068865 is an equidigital number, since it uses as much as digits as its factorization.

67782068865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969700 (or 7969688 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 67782068865 in words is "sixty-seven billion, seven hundred eighty-two million, sixty-eight thousand, eight hundred sixty-five".