68778441980612 has 96 divisors (see below), whose sum is σ = 150092381752320. Its totient is φ = 26850482380800.

The previous prime is 68778441980593. The next prime is 68778441980671. The reversal of 68778441980612 is 21608914487786.

It is a super-2 number, since 2×68778441980612² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54036068 + ... + 55294244.

It is an arithmetic number, because the mean of its divisors is an integer number (1563462309920).

Almost surely, 2^{68778441980612} 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 68778441980612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75046190876160).

68778441980612 is an abundant number, since it is smaller than the sum of its proper divisors (81313939771708).

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

68778441980612 is a wasteful number, since it uses less digits than its factorization.

68778441980612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260181 (or 1260179 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 71.

The spelling of 68778441980612 in words is "sixty-eight trillion, seven hundred seventy-eight billion, four hundred forty-one million, nine hundred eighty thousand, six hundred twelve".