788378075712 has 84 divisors (see below), whose sum is σ = 2265802318780. Its totient is φ = 262088082432.

The previous prime is 788378075711. The next prime is 788378075729. The reversal of 788378075712 is 217570873887.

It can be written as a sum of positive squares in 2 ways, for example, as 430419972096 + 357958103616 = 656064^2 + 598296^2 .

It is a super-4 number, since 4×788378075712⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 788378075712.

It is not an unprimeable number, because it can be changed into a prime (788378075711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619887 + ... + 2049582.

Almost surely, 2^788378075712 is an apocalyptic number.

788378075712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

788378075712 is an abundant number, since it is smaller than the sum of its proper divisors (1477424243068).

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

788378075712 is a wasteful number, since it uses less digits than its factorization.

788378075712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669860 (or 3669847 counting only the distinct ones).

The product of its (nonzero) digits is 36879360, while the sum is 63.

The spelling of 788378075712 in words is "seven hundred eighty-eight billion, three hundred seventy-eight million, seventy-five thousand, seven hundred twelve".