3880567981 has 16 divisors (see below), whose sum is σ = 4286367360. Its totient is φ = 3500481600.

The previous prime is 3880567967. The next prime is 3880567991. The reversal of 3880567981 is 1897650883.

It is a cyclic number.

It is not a de Polignac number, because 3880567981 - 2⁵ = 3880567949 is a prime.

It is a super-2 number, since 2×3880567981² = 30117615710324832722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880567991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38970 + ... + 96331.

It is an arithmetic number, because the mean of its divisors is an integer number (267897960).

Almost surely, 2^3880567981 is an apocalyptic number.

It is an amenable number.

3880567981 is a deficient number, since it is larger than the sum of its proper divisors (405799379).

3880567981 is a wasteful number, since it uses less digits than its factorization.

3880567981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135396.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 3880567981 is about 62294.2050354606. The cubic root of 3880567981 is about 1571.4422735850.

The spelling of 3880567981 in words is "three billion, eight hundred eighty million, five hundred sixty-seven thousand, nine hundred eighty-one".