68646267822 has 32 divisors (see below), whose sum is σ = 149793202944. Its totient is φ = 20799187200.

The previous prime is 68646267799. The next prime is 68646267827. The reversal of 68646267822 is 22876264686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68646267827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474903 + ... + 602349.

It is an arithmetic number, because the mean of its divisors is an integer number (4681037592).

Almost surely, 2^68646267822 is an apocalyptic number.

68646267822 is an abundant number, since it is smaller than the sum of its proper divisors (81146935122).

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

68646267822 is a wasteful number, since it uses less digits than its factorization.

68646267822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135624.

The product of its digits is 18579456, while the sum is 57.

The spelling of 68646267822 in words is "sixty-eight billion, six hundred forty-six million, two hundred sixty-seven thousand, eight hundred twenty-two".