68950223874 has 144 divisors (see below), whose sum is σ = 184778409816. Its totient is φ = 18463334400.

The previous prime is 68950223851. The next prime is 68950223899. The reversal of 68950223874 is 47832205986.

68950223874 is a `hidden beast` number, since 68 + 9 + 502 + 2 + 3 + 8 + 74 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 63155208249 + 5795015625 = 251307^2 + 76125^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68950223874.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3604014 + ... + 3623094.

Almost surely, 2^68950223874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68950223874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92389204908).

68950223874 is an abundant number, since it is smaller than the sum of its proper divisors (115828185942).

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

68950223874 is a wasteful number, since it uses less digits than its factorization.

68950223874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19361 (or 19351 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 68950223874 in words is "sixty-eight billion, nine hundred fifty million, two hundred twenty-three thousand, eight hundred seventy-four".