8513280008 has 16 divisors (see below), whose sum is σ = 16333619280. Its totient is φ = 4157648208.

The previous prime is 8513279963. The next prime is 8513280019. The reversal of 8513280008 is 8000823158.

It is a super-2 number, since 2×8513280008² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8513280008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12373610 + ... + 12374297.

It is an arithmetic number, because the mean of its divisors is an integer number (1020851205).

Almost surely, 2^8513280008 is an apocalyptic number.

It is an amenable number.

8513280008 is a deficient number, since it is larger than the sum of its proper divisors (7820339272).

8513280008 is a wasteful number, since it uses less digits than its factorization.

8513280008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24747956 (or 24747952 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 8513280008 is about 92267.4374197095. The cubic root of 8513280008 is about 2041.8898295481.

The spelling of 8513280008 in words is "eight billion, five hundred thirteen million, two hundred eighty thousand, eight".