67805807364 has 36 divisors (see below), whose sum is σ = 171768245376. Its totient is φ = 22553113968.

The previous prime is 67805807309. The next prime is 67805807401. The reversal of 67805807364 is 46370850876.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67805807364.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017344 + ... + 2050679.

Almost surely, 2^67805807364 is an apocalyptic number.

It is an amenable number.

67805807364 is an abundant number, since it is smaller than the sum of its proper divisors (103962438012).

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

67805807364 is a wasteful number, since it uses less digits than its factorization.

67805807364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068496 (or 4068491 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 67805807364 in words is "sixty-seven billion, eight hundred five million, eight hundred seven thousand, three hundred sixty-four".