3988307921307 has 8 divisors (see below), whose sum is σ = 5340566831184. Its totient is φ = 2647460479488.

The previous prime is 3988307921281. The next prime is 3988307921327. The reversal of 3988307921307 is 7031297038893.

3988307921307 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3988307921307 - 2⁸ = 3988307921051 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3988307921327) 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, 2852866198 + ... + 2852867595.

It is an arithmetic number, because the mean of its divisors is an integer number (667570853898).

Almost surely, 2^{3988307921307} is an apocalyptic number.

3988307921307 is a deficient number, since it is larger than the sum of its proper divisors (1352258909877).

3988307921307 is a wasteful number, since it uses less digits than its factorization.

3988307921307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705734029.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 3988307921307 in words is "three trillion, nine hundred eighty-eight billion, three hundred seven million, nine hundred twenty-one thousand, three hundred seven".