8906815648 has 12 divisors (see below), whose sum is σ = 17535293370. Its totient is φ = 4453407808.

The previous prime is 8906815633. The next prime is 8906815679. The reversal of 8906815648 is 8465186098.

It can be written as a sum of positive squares in only one way, i.e., 7469799184 + 1437016464 = 86428^2 + 37908^2 .

It is a super-3 number, since 3×8906815648³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139168963 + ... + 139169026.

Almost surely, 2^8906815648 is an apocalyptic number.

It is an amenable number.

8906815648 is a deficient number, since it is larger than the sum of its proper divisors (8628477722).

8906815648 is a wasteful number, since it uses less digits than its factorization.

8906815648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278337999 (or 278337991 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 8906815648 is about 94375.9272696168. The cubic root of 8906815648 is about 2072.8799674092.

The spelling of 8906815648 in words is "eight billion, nine hundred six million, eight hundred fifteen thousand, six hundred forty-eight".