3968368749867 has 16 divisors (see below), whose sum is σ = 5463031132160. Its totient is φ = 2559679963200.

The previous prime is 3968368749811. The next prime is 3968368749899. The reversal of 3968368749867 is 7689478638693.

It is not a de Polignac number, because 3968368749867 - 2²² = 3968364555563 is a prime.

It is a super-3 number, since 3×3968368749867³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3968368749867.

It is not an unprimeable number, because it can be changed into a prime (3968368741867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4220242 + ... + 5074167.

It is an arithmetic number, because the mean of its divisors is an integer number (341439445760).

Almost surely, 2^{3968368749867} is an apocalyptic number.

3968368749867 is a deficient number, since it is larger than the sum of its proper divisors (1494662382293).

3968368749867 is a wasteful number, since it uses less digits than its factorization.

3968368749867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299034.

The product of its digits is 15801827328, while the sum is 84.

The spelling of 3968368749867 in words is "three trillion, nine hundred sixty-eight billion, three hundred sixty-eight million, seven hundred forty-nine thousand, eight hundred sixty-seven".