68695756800 has 624 divisors, whose sum is σ = 256683660480. Its totient is φ = 16056320000.

The previous prime is 68695756781. The next prime is 68695756813. The reversal of 68695756800 is 865759686.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a nialpdrome in base 16.

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, 97996450 + ... + 97997150.

It is an arithmetic number, because the mean of its divisors is an integer number (411352020).

Almost surely, 2^68695756800 is an apocalyptic number.

68695756800 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 68695756800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128341830240).

68695756800 is an abundant number, since it is smaller than the sum of its proper divisors (187987903680).

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

68695756800 is a wasteful number, since it uses less digits than its factorization.

68695756800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 68695756800 in words is "sixty-eight billion, six hundred ninety-five million, seven hundred fifty-six thousand, eight hundred".