8678566240 has 48 divisors (see below), whose sum is σ = 20573200368. Its totient is φ = 3459559936.

The previous prime is 8678566229. The next prime is 8678566243. The reversal of 8678566240 is 426658768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8678566243) 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 7 ways as a sum of consecutive naturals, for example, 45682 + ... + 139441.

It is an arithmetic number, because the mean of its divisors is an integer number (428608341).

Almost surely, 2^8678566240 is an apocalyptic number.

8678566240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8678566240 is an abundant number, since it is smaller than the sum of its proper divisors (11894634128).

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

8678566240 is a wasteful number, since it uses less digits than its factorization.

8678566240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185431 (or 185423 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 8678566240 is about 93158.8226632346. The cubic root of 8678566240 is about 2055.0197222451.

The spelling of 8678566240 in words is "eight billion, six hundred seventy-eight million, five hundred sixty-six thousand, two hundred forty".