8522785678 has 64 divisors (see below), whose sum is σ = 15062625216. Its totient is φ = 3573504000.

The previous prime is 8522785633. The next prime is 8522785679. The reversal of 8522785678 is 8765872258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8522785679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9056688 + ... + 9057628.

It is an arithmetic number, because the mean of its divisors is an integer number (235353519).

Almost surely, 2^8522785678 is an apocalyptic number.

8522785678 is a deficient number, since it is larger than the sum of its proper divisors (6539839538).

8522785678 is a wasteful number, since it uses less digits than its factorization.

8522785678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its digits is 15052800, while the sum is 58.

The square root of 8522785678 is about 92318.9345584101. The cubic root of 8522785678 is about 2042.6495176011.

The spelling of 8522785678 in words is "eight billion, five hundred twenty-two million, seven hundred eighty-five thousand, six hundred seventy-eight".