68881334822 has 4 divisors (see below), whose sum is σ = 103322002236. Its totient is φ = 34440667410.

The previous prime is 68881334813. The next prime is 68881334843. The reversal of 68881334822 is 22843318886.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 17220333704 + ... + 17220333707.

It is an arithmetic number, because the mean of its divisors is an integer number (25830500559).

Almost surely, 2^68881334822 is an apocalyptic number.

68881334822 is a deficient number, since it is larger than the sum of its proper divisors (34440667414).

68881334822 is a wasteful number, since it uses less digits than its factorization.

68881334822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440667413.

The product of its digits is 3538944, while the sum is 53.

The spelling of 68881334822 in words is "sixty-eight billion, eight hundred eighty-one million, three hundred thirty-four thousand, eight hundred twenty-two".