8725778151768 has 256 divisors, whose sum is σ = 25627398720000. Its totient is φ = 2743283220480.

The previous prime is 8725778151709. The next prime is 8725778151773. The reversal of 8725778151768 is 8671518775278.

8725778151768 is a `hidden beast` number, since 8 + 7 + 25 + 7 + 7 + 81 + 517 + 6 + 8 = 666.

It is a super-2 number, since 2×8725778151768² (a number of 27 digits) contains 22 as substring.

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 = 8725778151696 and 8725778151705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1044623880 + ... + 1044632232.

It is an arithmetic number, because the mean of its divisors is an integer number (100107026250).

Almost surely, 2^{8725778151768} 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 8725778151768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12813699360000).

8725778151768 is an abundant number, since it is smaller than the sum of its proper divisors (16901620568232).

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

8725778151768 is a wasteful number, since it uses less digits than its factorization.

8725778151768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487 (or 9477 counting only the distinct ones).

The product of its digits is 368793600, while the sum is 72.

The spelling of 8725778151768 in words is "eight trillion, seven hundred twenty-five billion, seven hundred seventy-eight million, one hundred fifty-one thousand, seven hundred sixty-eight".