8427215395 has 4 divisors (see below), whose sum is σ = 10112658480. Its totient is φ = 6741772312.

The previous prime is 8427215383. The next prime is 8427215417. The reversal of 8427215395 is 5935127248.

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 8427215395 - 2⁷ = 8427215267 is a prime.

It is an unprimeable number.

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, 842721535 + ... + 842721544.

It is an arithmetic number, because the mean of its divisors is an integer number (2528164620).

Almost surely, 2^8427215395 is an apocalyptic number.

8427215395 is a deficient number, since it is larger than the sum of its proper divisors (1685443085).

8427215395 is a wasteful number, since it uses less digits than its factorization.

8427215395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685443084.

The product of its digits is 604800, while the sum is 46.

The square root of 8427215395 is about 91799.8659857410. The cubic root of 8427215395 is about 2034.9857142717.

The spelling of 8427215395 in words is "eight billion, four hundred twenty-seven million, two hundred fifteen thousand, three hundred ninety-five".