8422176385 has 16 divisors (see below), whose sum is σ = 11664778752. Its totient is φ = 5718024000.

The previous prime is 8422176377. The next prime is 8422176401. The reversal of 8422176385 is 5836712248.

It is not a de Polignac number, because 8422176385 - 2³ = 8422176377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187721 + ... + 1194790.

It is an arithmetic number, because the mean of its divisors is an integer number (729048672).

Almost surely, 2^8422176385 is an apocalyptic number.

It is an amenable number.

8422176385 is a deficient number, since it is larger than the sum of its proper divisors (3242602367).

8422176385 is a wasteful number, since it uses less digits than its factorization.

8422176385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382624.

The product of its digits is 645120, while the sum is 46.

The square root of 8422176385 is about 91772.4162534691. The cubic root of 8422176385 is about 2034.5800303298.

The spelling of 8422176385 in words is "eight billion, four hundred twenty-two million, one hundred seventy-six thousand, three hundred eighty-five".