3881716087 has 4 divisors (see below), whose sum is σ = 3939652216. Its totient is φ = 3823779960.

The previous prime is 3881716073. The next prime is 3881716099. The reversal of 3881716087 is 7806171883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3881716087 - 2¹⁵ = 3881683319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881716087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881716687) 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, 28967964 + ... + 28968097.

It is an arithmetic number, because the mean of its divisors is an integer number (984913054).

Almost surely, 2^3881716087 is an apocalyptic number.

3881716087 is a deficient number, since it is larger than the sum of its proper divisors (57936129).

3881716087 is an equidigital number, since it uses as much as digits as its factorization.

3881716087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57936128.

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 3881716087 is about 62303.4195449977. The cubic root of 3881716087 is about 1571.5972340970.

The spelling of 3881716087 in words is "three billion, eight hundred eighty-one million, seven hundred sixteen thousand, eighty-seven".