68885109930 has 192 divisors, whose sum is σ = 219293464320. Its totient is φ = 13678995456.

The previous prime is 68885109901. The next prime is 68885109961. The reversal of 68885109930 is 3990158886.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 218851 + ... + 430889.

It is an arithmetic number, because the mean of its divisors is an integer number (1142153460).

Almost surely, 2^68885109930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68885109930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109646732160).

68885109930 is an abundant number, since it is smaller than the sum of its proper divisors (150408354390).

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

68885109930 is a wasteful number, since it uses less digits than its factorization.

68885109930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212093 (or 212086 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 68885109930 in words is "sixty-eight billion, eight hundred eighty-five million, one hundred nine thousand, nine hundred thirty".