3877890886 has 4 divisors (see below), whose sum is σ = 5816836332. Its totient is φ = 1938945442.

The previous prime is 3877890883. The next prime is 3877890917. The reversal of 3877890886 is 6880987783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6880987783 = 39371 ⋅174773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3877890881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969472720 + ... + 969472723.

It is an arithmetic number, because the mean of its divisors is an integer number (1454209083).

Almost surely, 2^3877890886 is an apocalyptic number.

3877890886 is a deficient number, since it is larger than the sum of its proper divisors (1938945446).

3877890886 is a wasteful number, since it uses less digits than its factorization.

3877890886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938945445.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The square root of 3877890886 is about 62272.7138159242. The cubic root of 3877890886 is about 1571.0808258062.

The spelling of 3877890886 in words is "three billion, eight hundred seventy-seven million, eight hundred ninety thousand, eight hundred eighty-six".