3988359446667 has 8 divisors (see below), whose sum is σ = 5318034924240. Its totient is φ = 2658795133440.

The previous prime is 3988359446641. The next prime is 3988359446707. The reversal of 3988359446667 is 7666449538893.

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

It is not a de Polignac number, because 3988359446667 - 2⁸ = 3988359446411 is a prime.

It is a super-2 number, since 2×3988359446667² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3988359446592 and 3988359446601.

It is not an unprimeable number, because it can be changed into a prime (3988359446627) 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, 27707334 + ... + 27850907.

It is an arithmetic number, because the mean of its divisors is an integer number (664754365530).

Almost surely, 2^{3988359446667} is an apocalyptic number.

3988359446667 is a deficient number, since it is larger than the sum of its proper divisors (1329675477573).

3988359446667 is a wasteful number, since it uses less digits than its factorization.

3988359446667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55582173.

The product of its digits is 5643509760, while the sum is 78.

The spelling of 3988359446667 in words is "three trillion, nine hundred eighty-eight billion, three hundred fifty-nine million, four hundred forty-six thousand, six hundred sixty-seven".