3885881215 has 4 divisors (see below), whose sum is σ = 4663057464. Its totient is φ = 3108704968.

The previous prime is 3885881203. The next prime is 3885881239. The reversal of 3885881215 is 5121885883.

3885881215 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 3885881215 - 2⁵ = 3885881183 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 388588117 + ... + 388588126.

It is an arithmetic number, because the mean of its divisors is an integer number (1165764366).

Almost surely, 2^3885881215 is an apocalyptic number.

3885881215 is a deficient number, since it is larger than the sum of its proper divisors (777176249).

3885881215 is an equidigital number, since it uses as much as digits as its factorization.

3885881215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777176248.

The product of its digits is 614400, while the sum is 49.

The square root of 3885881215 is about 62336.8367420099. The cubic root of 3885881215 is about 1572.1591474032.

The spelling of 3885881215 in words is "three billion, eight hundred eighty-five million, eight hundred eighty-one thousand, two hundred fifteen".