68968786998 has 16 divisors (see below), whose sum is σ = 138214008000. Its totient is φ = 22943523336.

The previous prime is 68968786987. The next prime is 68968787029. The reversal of 68968786998 is 89968786986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68968786998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11514840 + ... + 11520827.

It is an arithmetic number, because the mean of its divisors is an integer number (8638375500).

Almost surely, 2^68968786998 is an apocalyptic number.

68968786998 is an abundant number, since it is smaller than the sum of its proper divisors (69245221002).

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

68968786998 is a wasteful number, since it uses less digits than its factorization.

68968786998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036171.

The product of its digits is 4514807808, while the sum is 84.

The spelling of 68968786998 in words is "sixty-eight billion, nine hundred sixty-eight million, seven hundred eighty-six thousand, nine hundred ninety-eight".