3966107881 has 8 divisors (see below), whose sum is σ = 4069239680. Its totient is φ = 3863471472.

The previous prime is 3966107843. The next prime is 3966107891. The reversal of 3966107881 is 1887016693.

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 3966107881 - 2⁷ = 3966107753 is a prime.

It is a super-2 number, since 2×3966107881² = 31460023447460620322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3966107891) 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, 107601 + ... + 139678.

It is an arithmetic number, because the mean of its divisors is an integer number (508654960).

Almost surely, 2^3966107881 is an apocalyptic number.

It is an amenable number.

3966107881 is a deficient number, since it is larger than the sum of its proper divisors (103131799).

3966107881 is a wasteful number, since it uses less digits than its factorization.

3966107881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247695.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 3966107881 is about 62977.0424916890. The cubic root of 3966107881 is about 1582.9049640146.

The spelling of 3966107881 in words is "three billion, nine hundred sixty-six million, one hundred seven thousand, eight hundred eighty-one".