8449908572 has 24 divisors (see below), whose sum is σ = 17113743360. Its totient is φ = 3575548080.

The previous prime is 8449908563. The next prime is 8449908581. The reversal of 8449908572 is 2758099448.

It is an interprime number because it is at equal distance from previous prime (8449908563) and next prime (8449908581).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907804 + ... + 1912227.

It is an arithmetic number, because the mean of its divisors is an integer number (713072640).

Almost surely, 2^8449908572 is an apocalyptic number.

It is an amenable number.

8449908572 is an abundant number, since it is smaller than the sum of its proper divisors (8663834788).

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

8449908572 is a wasteful number, since it uses less digits than its factorization.

8449908572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820121 (or 3820119 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 8449908572 is about 91923.3842501461. The cubic root of 8449908572 is about 2036.8107101783.

The spelling of 8449908572 in words is "eight billion, four hundred forty-nine million, nine hundred eight thousand, five hundred seventy-two".