3878889075 has 18 divisors (see below), whose sum is σ = 6947521724. Its totient is φ = 2068740720.

The previous prime is 3878889071. The next prime is 3878889101. The reversal of 3878889075 is 5709888783.

It is a happy number.

It is not a de Polignac number, because 3878889075 - 2² = 3878889071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3878889071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8619529 + ... + 8619978.

Almost surely, 2^3878889075 is an apocalyptic number.

3878889075 is a deficient number, since it is larger than the sum of its proper divisors (3068632649).

3878889075 is a wasteful number, since it uses less digits than its factorization.

3878889075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17239523 (or 17239515 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The square root of 3878889075 is about 62280.7279581734. The cubic root of 3878889075 is about 1571.2156156620.

The spelling of 3878889075 in words is "three billion, eight hundred seventy-eight million, eight hundred eighty-nine thousand, seventy-five".