67919937822 has 24 divisors (see below), whose sum is σ = 160538035320. Its totient is φ = 20581799280.

The previous prime is 67919937793. The next prime is 67919937829. The reversal of 67919937822 is 22873991976.

67919937822 is a `hidden beast` number, since 6 + 79 + 199 + 378 + 2 + 2 = 666.

It is a super-2 number, since 2×67919937822² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67919937822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67919937829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171514797 + ... + 171515192.

It is an arithmetic number, because the mean of its divisors is an integer number (6689084805).

Almost surely, 2^67919937822 is an apocalyptic number.

67919937822 is an abundant number, since it is smaller than the sum of its proper divisors (92618097498).

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

67919937822 is a wasteful number, since it uses less digits than its factorization.

67919937822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343030008 (or 343030005 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 67919937822 in words is "sixty-seven billion, nine hundred nineteen million, nine hundred thirty-seven thousand, eight hundred twenty-two".