8651285808 has 80 divisors (see below), whose sum is σ = 25664131200. Its totient is φ = 2483619840.

The previous prime is 8651285759. The next prime is 8651285809. The reversal of 8651285808 is 8085821568.

It is a super-2 number, since 2×8651285808² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8651285809) by changing a digit.

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, 421153 + ... + 441216.

It is an arithmetic number, because the mean of its divisors is an integer number (320801640).

Almost surely, 2^8651285808 is an apocalyptic number.

8651285808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8651285808 is an abundant number, since it is smaller than the sum of its proper divisors (17012845392).

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

8651285808 is a wasteful number, since it uses less digits than its factorization.

8651285808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862410 (or 862404 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 51.

The square root of 8651285808 is about 93012.2884784586. The cubic root of 8651285808 is about 2052.8641945112.

The spelling of 8651285808 in words is "eight billion, six hundred fifty-one million, two hundred eighty-five thousand, eight hundred eight".