3977260881 has 8 divisors (see below), whose sum is σ = 5785106784. Its totient is φ = 2410461120.

The previous prime is 3977260879. The next prime is 3977260907. The reversal of 3977260881 is 1880627793.

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

It is not a de Polignac number, because 3977260881 - 2¹ = 3977260879 is a prime.

It is a super-2 number, since 2×3977260881² = 31637208231065792322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3977260181) 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, 60261496 + ... + 60261561.

It is an arithmetic number, because the mean of its divisors is an integer number (723138348).

Almost surely, 2^3977260881 is an apocalyptic number.

It is an amenable number.

3977260881 is a deficient number, since it is larger than the sum of its proper divisors (1807845903).

3977260881 is a wasteful number, since it uses less digits than its factorization.

3977260881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120523071.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 3977260881 is about 63065.5284684113. The cubic root of 3977260881 is about 1584.3873254911.

The spelling of 3977260881 in words is "three billion, nine hundred seventy-seven million, two hundred sixty thousand, eight hundred eighty-one".