68883888546 has 96 divisors (see below), whose sum is σ = 163748894400. Its totient is φ = 20754714240.

The previous prime is 68883888539. The next prime is 68883888559. The reversal of 68883888546 is 64588838886.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33948660 + ... + 33950688.

It is an arithmetic number, because the mean of its divisors is an integer number (1705717650).

Almost surely, 2^68883888546 is an apocalyptic number.

68883888546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68883888546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81874447200).

68883888546 is an abundant number, since it is smaller than the sum of its proper divisors (94865005854).

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

68883888546 is a wasteful number, since it uses less digits than its factorization.

68883888546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2941 counting only the distinct ones).

The product of its digits is 566231040, while the sum is 72.

The spelling of 68883888546 in words is "sixty-eight billion, eight hundred eighty-three million, eight hundred eighty-eight thousand, five hundred forty-six".