8622491808 has 96 divisors (see below), whose sum is σ = 25928090496. Its totient is φ = 2457796608.

The previous prime is 8622491791. The next prime is 8622491819. The reversal of 8622491808 is 8081942268.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276160 + ... + 305792.

It is an arithmetic number, because the mean of its divisors is an integer number (270084276).

Almost surely, 2^8622491808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8622491808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12964045248).

8622491808 is an abundant number, since it is smaller than the sum of its proper divisors (17305598688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8622491808 is a wasteful number, since it uses less digits than its factorization.

8622491808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30086 (or 30078 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 8622491808 is about 92857.3734713620. The cubic root of 8622491808 is about 2050.5841530206.

The spelling of 8622491808 in words is "eight billion, six hundred twenty-two million, four hundred ninety-one thousand, eight hundred eight".