1078589481768 has 80 divisors (see below), whose sum is σ = 3198758054580. Its totient is φ = 338381010432.

The previous prime is 1078589481727. The next prime is 1078589481787. The reversal of 1078589481768 is 8671849858701.

1078589481768 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 5 + 89 + 481 + 7 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 830507787684 + 248081694084 = 911322^2 + 498078^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1078589481696 and 1078589481705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48944571 + ... + 48966602.

Almost surely, 2^{1078589481768} is an apocalyptic number.

1078589481768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1078589481768 is an abundant number, since it is smaller than the sum of its proper divisors (2120168572812).

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

1078589481768 is a wasteful number, since it uses less digits than its factorization.

1078589481768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97911208 (or 97911195 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 72.

The spelling of 1078589481768 in words is "one trillion, seventy-eight billion, five hundred eighty-nine million, four hundred eighty-one thousand, seven hundred sixty-eight".