68797680000 has 640 divisors, whose sum is σ = 269601699840. Its totient is φ = 15206400000.

The previous prime is 68797679983. The next prime is 68797680019. The reversal of 68797680000 is 8679786.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52079340 + ... + 52080660.

It is an arithmetic number, because the mean of its divisors is an integer number (421252656).

Almost surely, 2^68797680000 is an apocalyptic number.

68797680000 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 68797680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134800849920).

68797680000 is an abundant number, since it is smaller than the sum of its proper divisors (200804019840).

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

68797680000 is a wasteful number, since it uses less digits than its factorization.

68797680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 68797680000 in words is "sixty-eight billion, seven hundred ninety-seven million, six hundred eighty thousand".