8378384067 has 32 divisors (see below), whose sum is σ = 12495042560. Its totient is φ = 5548525920.

The previous prime is 8378384033. The next prime is 8378384089. The reversal of 8378384067 is 7604838738.

It is not a de Polignac number, because 8378384067 - 2²⁷ = 8244166339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8378384017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3436773 + ... + 3439209.

It is an arithmetic number, because the mean of its divisors is an integer number (390470080).

Almost surely, 2^8378384067 is an apocalyptic number.

8378384067 is a deficient number, since it is larger than the sum of its proper divisors (4116658493).

8378384067 is a wasteful number, since it uses less digits than its factorization.

8378384067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 8378384067 is about 91533.5133543993. The cubic root of 8378384067 is about 2031.0475367914.

The spelling of 8378384067 in words is "eight billion, three hundred seventy-eight million, three hundred eighty-four thousand, sixty-seven".