68693200688 has 80 divisors (see below), whose sum is σ = 154427449344. Its totient is φ = 28994112000.

The previous prime is 68693200663. The next prime is 68693200691. The reversal of 68693200688 is 88600239686.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931063 + ... + 1966313.

Almost surely, 2^68693200688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68693200688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77213724672).

68693200688 is an abundant number, since it is smaller than the sum of its proper divisors (85734248656).

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

68693200688 is a wasteful number, since it uses less digits than its factorization.

68693200688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35530 (or 35524 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 68693200688 in words is "sixty-eight billion, six hundred ninety-three million, two hundred thousand, six hundred eighty-eight".