67894795668 has 24 divisors (see below), whose sum is σ = 181052788672. Its totient is φ = 19398513024.

The previous prime is 67894795667. The next prime is 67894795729. The reversal of 67894795668 is 86659749876.

It is a self number, because there is not a number n which added to its sum of digits gives 67894795668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67894795667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404135605 + ... + 404135772.

Almost surely, 2^67894795668 is an apocalyptic number.

It is an amenable number.

67894795668 is an abundant number, since it is smaller than the sum of its proper divisors (113157993004).

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

67894795668 is a wasteful number, since it uses less digits than its factorization.

67894795668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808271391 (or 808271389 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 75.

The spelling of 67894795668 in words is "sixty-seven billion, eight hundred ninety-four million, seven hundred ninety-five thousand, six hundred sixty-eight".