8422647532 has 48 divisors (see below), whose sum is σ = 16325904672. Its totient is φ = 3777500160.

The previous prime is 8422647491. The next prime is 8422647559. The reversal of 8422647532 is 2357462248.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 430932 + ... + 450052.

It is an arithmetic number, because the mean of its divisors is an integer number (340123014).

Almost surely, 2^8422647532 is an apocalyptic number.

It is an amenable number.

8422647532 is a deficient number, since it is larger than the sum of its proper divisors (7903257140).

8422647532 is a wasteful number, since it uses less digits than its factorization.

8422647532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19378 (or 19376 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 8422647532 is about 91774.9831490042. The cubic root of 8422647532 is about 2034.6179685997.

The spelling of 8422647532 in words is "eight billion, four hundred twenty-two million, six hundred forty-seven thousand, five hundred thirty-two".