68781301896972 has 48 divisors (see below), whose sum is σ = 194206028889600. Its totient is φ = 18495812274432.

The previous prime is 68781301896949. The next prime is 68781301896997. The reversal of 68781301896972 is 27969810318786.

It is a junction number, because it is equal to n+sod(n) for n = 68781301896894 and 68781301896903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24083087472 + ... + 24083090327.

It is an arithmetic number, because the mean of its divisors is an integer number (4045958935200).

Almost surely, 2^{68781301896972} is an apocalyptic number.

It is an amenable number.

68781301896972 is an abundant number, since it is smaller than the sum of its proper divisors (125424726992628).

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

68781301896972 is a wasteful number, since it uses less digits than its factorization.

68781301896972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48166177830 (or 48166177828 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 75.

The spelling of 68781301896972 in words is "sixty-eight trillion, seven hundred eighty-one billion, three hundred one million, eight hundred ninety-six thousand, nine hundred seventy-two".