1068478328772 has 96 divisors (see below), whose sum is σ = 2785011384960. Its totient is φ = 354249936000.

The previous prime is 1068478328693. The next prime is 1068478328867. The reversal of 1068478328772 is 2778238748601.

It is a happy number.

1068478328772 is a `hidden beast` number, since 1 + 0 + 68 + 478 + 32 + 8 + 7 + 72 = 666.

It is a super-2 number, since 2×1068478328772² (a number of 25 digits) contains 22 as substring.

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, 19843278 + ... + 19897050.

It is an arithmetic number, because the mean of its divisors is an integer number (29010535260).

Almost surely, 2^{1068478328772} is an apocalyptic number.

1068478328772 is a gapful number since it is divisible by the number (12) 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 1068478328772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392505692480).

1068478328772 is an abundant number, since it is smaller than the sum of its proper divisors (1716533056188).

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

1068478328772 is a wasteful number, since it uses less digits than its factorization.

1068478328772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54770 (or 54762 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 63.

The spelling of 1068478328772 in words is "one trillion, sixty-eight billion, four hundred seventy-eight million, three hundred twenty-eight thousand, seven hundred seventy-two".