3877047881 has 4 divisors (see below), whose sum is σ = 4430911872. Its totient is φ = 3323183892.

The previous prime is 3877047871. The next prime is 3877047893. The reversal of 3877047881 is 1887407783.

It is a happy number.

3877047881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-3877047881 is a prime.

It is a super-2 number, since 2×3877047881² = 30063000543133180322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3877047851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276931985 + ... + 276931998.

It is an arithmetic number, because the mean of its divisors is an integer number (1107727968).

Almost surely, 2^3877047881 is an apocalyptic number.

It is an amenable number.

3877047881 is a deficient number, since it is larger than the sum of its proper divisors (553863991).

3877047881 is an equidigital number, since it uses as much as digits as its factorization.

3877047881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553863990.

The product of its (nonzero) digits is 2107392, while the sum is 53.

The square root of 3877047881 is about 62265.9447932817. The cubic root of 3877047881 is about 1570.9669731120.

The spelling of 3877047881 in words is "three billion, eight hundred seventy-seven million, forty-seven thousand, eight hundred eighty-one".