8778322534956 has 288 divisors, whose sum is σ = 25035824862720. Its totient is φ = 2368635540480.

The previous prime is 8778322534939. The next prime is 8778322534963. The reversal of 8778322534956 is 6594352238778.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65446296 + ... + 65580288.

It is an arithmetic number, because the mean of its divisors is an integer number (86929947440).

Almost surely, 2^{8778322534956} 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 8778322534956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12517912431360).

8778322534956 is an abundant number, since it is smaller than the sum of its proper divisors (16257502327764).

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

8778322534956 is a wasteful number, since it uses less digits than its factorization.

8778322534956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134117 (or 134084 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 69.

The spelling of 8778322534956 in words is "eight trillion, seven hundred seventy-eight billion, three hundred twenty-two million, five hundred thirty-four thousand, nine hundred fifty-six".