4087888520681 has 8 divisors (see below), whose sum is σ = 4672389410304. Its totient is φ = 3503516834880.

The previous prime is 4087888520603. The next prime is 4087888520689. The reversal of 4087888520681 is 1860258887804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4087888520681 - 2²² = 4087884326377 is a prime.

It is a super-2 number, since 2×4087888520681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4087888520689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32233145 + ... + 32359718.

It is an arithmetic number, because the mean of its divisors is an integer number (584048676288).

Almost surely, 2^{4087888520681} is an apocalyptic number.

It is an amenable number.

4087888520681 is a deficient number, since it is larger than the sum of its proper divisors (584500889623).

4087888520681 is an equidigital number, since it uses as much as digits as its factorization.

4087888520681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64601911.

The product of its (nonzero) digits is 55050240, while the sum is 65.

The spelling of 4087888520681 in words is "four trillion, eighty-seven billion, eight hundred eighty-eight million, five hundred twenty thousand, six hundred eighty-one".