68863700880 has 480 divisors, whose sum is σ = 260562251520. Its totient is φ = 16706027520.

The previous prime is 68863700863. The next prime is 68863700891. The reversal of 68863700880 is 8800736886.

It is a happy number.

It is a super-2 number, since 2×68863700880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25916512 + ... + 25919168.

It is an arithmetic number, because the mean of its divisors is an integer number (542838024).

Almost surely, 2^68863700880 is an apocalyptic number.

68863700880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68863700880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130281125760).

68863700880 is an abundant number, since it is smaller than the sum of its proper divisors (191698550640).

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

68863700880 is a wasteful number, since it uses less digits than its factorization.

68863700880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 68863700880 in words is "sixty-eight billion, eight hundred sixty-three million, seven hundred thousand, eight hundred eighty".