3877377788081 has 16 divisors (see below), whose sum is σ = 4534547200128. Its totient is φ = 3246029942400.

The previous prime is 3877377788077. The next prime is 3877377788087. The reversal of 3877377788081 is 1808877737783.

3877377788081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3877377788081 - 2² = 3877377788077 is a prime.

It is a super-2 number, since 2×3877377788081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3877377788087) 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, 6649541 + ... + 7209101.

It is an arithmetic number, because the mean of its divisors is an integer number (283409200008).

Almost surely, 2^{3877377788081} is an apocalyptic number.

It is an amenable number.

3877377788081 is a deficient number, since it is larger than the sum of its proper divisors (657169412047).

3877377788081 is a wasteful number, since it uses less digits than its factorization.

3877377788081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582632.

The product of its (nonzero) digits is 619573248, while the sum is 74.

The spelling of 3877377788081 in words is "three trillion, eight hundred seventy-seven billion, three hundred seventy-seven million, seven hundred eighty-eight thousand, eighty-one".