67794965387808 has 96 divisors (see below), whose sum is σ = 181471556117376. Its totient is φ = 22153351354368.

The previous prime is 67794965387797. The next prime is 67794965387879. The reversal of 67794965387808 is 80878356949776.

It is a happy number.

67794965387808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 485541 + ... + 11654427.

It is an arithmetic number, because the mean of its divisors is an integer number (1890328709556).

Almost surely, 2^{67794965387808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67794965387808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90735778058688).

67794965387808 is an abundant number, since it is smaller than the sum of its proper divisors (113676590729568).

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

67794965387808 is a wasteful number, since it uses less digits than its factorization.

67794965387808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170146 (or 11170138 counting only the distinct ones).

The product of its (nonzero) digits is 30725775360, while the sum is 87.

The spelling of 67794965387808 in words is "sixty-seven trillion, seven hundred ninety-four billion, nine hundred sixty-five million, three hundred eighty-seven thousand, eight hundred eight".