7988023681 has 8 divisors (see below), whose sum is σ = 9172850400. Its totient is φ = 6879637440.

The previous prime is 7988023679. The next prime is 7988023711. The reversal of 7988023681 is 1863208897.

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 7988023681 - 2¹ = 7988023679 is a prime.

It is a super-3 number, since 3×7988023681³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7988023651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19109896 + ... + 19110313.

It is an arithmetic number, because the mean of its divisors is an integer number (1146606300).

Almost surely, 2^7988023681 is an apocalyptic number.

It is an amenable number.

7988023681 is a deficient number, since it is larger than the sum of its proper divisors (1184826719).

7988023681 is a wasteful number, since it uses less digits than its factorization.

7988023681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38220239.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 7988023681 is about 89375.7443661310. The cubic root of 7988023681 is about 1999.0014749735.

The spelling of 7988023681 in words is "seven billion, nine hundred eighty-eight million, twenty-three thousand, six hundred eighty-one".