3977108881 has 8 divisors (see below), whose sum is σ = 3996368640. Its totient is φ = 3957880992.

The previous prime is 3977108879. The next prime is 3977108893. The reversal of 3977108881 is 1888017793.

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 3977108881 - 2¹ = 3977108879 is a prime.

It is a super-2 number, since 2×3977108881² = 31634790102658144322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3977108851) 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, 264360 + ... + 278998.

It is an arithmetic number, because the mean of its divisors is an integer number (499546080).

Almost surely, 2^3977108881 is an apocalyptic number.

It is an amenable number.

3977108881 is a deficient number, since it is larger than the sum of its proper divisors (19259759).

3977108881 is a wasteful number, since it uses less digits than its factorization.

3977108881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 677376, while the sum is 52.

The square root of 3977108881 is about 63064.3233611525. The cubic root of 3977108881 is about 1584.3671415882.

The spelling of 3977108881 in words is "three billion, nine hundred seventy-seven million, one hundred eight thousand, eight hundred eighty-one".