8225535338878 has 128 divisors (see below), whose sum is σ = 15579012113280. Its totient is φ = 3199488491520.

The previous prime is 8225535338873. The next prime is 8225535338879. The reversal of 8225535338878 is 8788335355228.

It is a super-2 number, since 2×8225535338878² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225535338873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272923026 + ... + 272953162.

It is an arithmetic number, because the mean of its divisors is an integer number (121711032135).

Almost surely, 2^{8225535338878} is an apocalyptic number.

8225535338878 is a deficient number, since it is larger than the sum of its proper divisors (7353476774402).

8225535338878 is a wasteful number, since it uses less digits than its factorization.

8225535338878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31022.

The product of its digits is 387072000, while the sum is 67.

The spelling of 8225535338878 in words is "eight trillion, two hundred twenty-five billion, five hundred thirty-five million, three hundred thirty-eight thousand, eight hundred seventy-eight".