3881877242 has 8 divisors (see below), whose sum is σ = 5823087732. Its totient is φ = 1940848000.

The previous prime is 3881877221. The next prime is 3881877299. The reversal of 3881877242 is 2427781883.

It can be written as a sum of positive squares in 2 ways, for example, as 3487020601 + 394856641 = 59051^2 + 19871^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41492 + ... + 97392.

Almost surely, 2^3881877242 is an apocalyptic number.

3881877242 is a deficient number, since it is larger than the sum of its proper divisors (1941210490).

3881877242 is a wasteful number, since it uses less digits than its factorization.

3881877242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90624.

The product of its digits is 1204224, while the sum is 50.

The square root of 3881877242 is about 62304.7128393992. The cubic root of 3881877242 is about 1571.6189828323.

The spelling of 3881877242 in words is "three billion, eight hundred eighty-one million, eight hundred seventy-seven thousand, two hundred forty-two".