5378915667 has 4 divisors (see below), whose sum is σ = 7171887560. Its totient is φ = 3585943776.

The previous prime is 5378915639. The next prime is 5378915669. The reversal of 5378915667 is 7665198735.

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

It is not a de Polignac number, because 5378915667 - 2²³ = 5370527059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5378915669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896485942 + ... + 896485947.

It is an arithmetic number, because the mean of its divisors is an integer number (1792971890).

Almost surely, 2^5378915667 is an apocalyptic number.

5378915667 is a deficient number, since it is larger than the sum of its proper divisors (1792971893).

5378915667 is a wasteful number, since it uses less digits than its factorization.

5378915667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792971892.

The product of its digits is 9525600, while the sum is 57.

The square root of 5378915667 is about 73341.0912585844. The cubic root of 5378915667 is about 1752.1242956295.

The spelling of 5378915667 in words is "five billion, three hundred seventy-eight million, nine hundred fifteen thousand, six hundred sixty-seven".