8427476219 has 4 divisors (see below), whose sum is σ = 8445917544. Its totient is φ = 8409034896.

The previous prime is 8427476177. The next prime is 8427476231. The reversal of 8427476219 is 9126747248.

It is a happy number.

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 8427476219 - 2²⁰ = 8426427643 is a prime.

It is a super-2 number, since 2×8427476219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8427475219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9219977 + ... + 9220890.

It is an arithmetic number, because the mean of its divisors is an integer number (2111479386).

Almost surely, 2^8427476219 is an apocalyptic number.

8427476219 is a deficient number, since it is larger than the sum of its proper divisors (18441325).

8427476219 is a wasteful number, since it uses less digits than its factorization.

8427476219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441324.

The product of its digits is 1354752, while the sum is 50.

The square root of 8427476219 is about 91801.2865868447. The cubic root of 8427476219 is about 2035.0067084599.

The spelling of 8427476219 in words is "eight billion, four hundred twenty-seven million, four hundred seventy-six thousand, two hundred nineteen".