3877047642 has 64 divisors (see below), whose sum is σ = 9146753280. Its totient is φ = 1084038144.

The previous prime is 3877047599. The next prime is 3877047649. The reversal of 3877047642 is 2467407783.

It is a junction number, because it is equal to n+sod(n) for n = 3877047591 and 3877047600.

It is not an unprimeable number, because it can be changed into a prime (3877047649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11958 + ... + 88865.

It is an arithmetic number, because the mean of its divisors is an integer number (142918020).

Almost surely, 2^3877047642 is an apocalyptic number.

3877047642 is an abundant number, since it is smaller than the sum of its proper divisors (5269705638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3877047642 is a wasteful number, since it uses less digits than its factorization.

3877047642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100887.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The square root of 3877047642 is about 62265.9428740945. The cubic root of 3877047642 is about 1570.9669408314.

The spelling of 3877047642 in words is "three billion, eight hundred seventy-seven million, forty-seven thousand, six hundred forty-two".