8328778236 has 24 divisors (see below), whose sum is σ = 21593129040. Its totient is φ = 2776259376.

The previous prime is 8328778223. The next prime is 8328778259. The reversal of 8328778236 is 6328778238.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38559051 + ... + 38559266.

It is an arithmetic number, because the mean of its divisors is an integer number (899713710).

Almost surely, 2^8328778236 is an apocalyptic number.

It is an amenable number.

8328778236 is an abundant number, since it is smaller than the sum of its proper divisors (13264350804).

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

8328778236 is a wasteful number, since it uses less digits than its factorization.

8328778236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77118330 (or 77118322 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 8328778236 is about 91262.1402115905. The cubic root of 8328778236 is about 2027.0311975700.

The spelling of 8328778236 in words is "eight billion, three hundred twenty-eight million, seven hundred seventy-eight thousand, two hundred thirty-six".