8678257544 has 64 divisors (see below), whose sum is σ = 18046117440. Its totient is φ = 3879279360.

The previous prime is 8678257531. The next prime is 8678257559. The reversal of 8678257544 is 4457528768.

It is a self number, because there is not a number n which added to its sum of digits gives 8678257544.

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 in 15 ways as a sum of consecutive naturals, for example, 5971922 + ... + 5973374.

It is an arithmetic number, because the mean of its divisors is an integer number (281970585).

Almost surely, 2^8678257544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8678257544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9023058720).

8678257544 is an abundant number, since it is smaller than the sum of its proper divisors (9367859896).

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

8678257544 is a wasteful number, since it uses less digits than its factorization.

8678257544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2546 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 56.

The square root of 8678257544 is about 93157.1658220665. The cubic root of 8678257544 is about 2054.9953563198.

The spelling of 8678257544 in words is "eight billion, six hundred seventy-eight million, two hundred fifty-seven thousand, five hundred forty-four".