8783155317552 has 160 divisors (see below), whose sum is σ = 28293868076544. Its totient is φ = 2280914534400.

The previous prime is 8783155317493. The next prime is 8783155317553. The reversal of 8783155317552 is 2557135513878.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8783155317553) 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, 19891558 + ... + 20328314.

Almost surely, 2^{8783155317552} 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 8783155317552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14146934038272).

8783155317552 is an abundant number, since it is smaller than the sum of its proper divisors (19510712758992).

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

8783155317552 is a wasteful number, since it uses less digits than its factorization.

8783155317552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442227 (or 442221 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 60.

The spelling of 8783155317552 in words is "eight trillion, seven hundred eighty-three billion, one hundred fifty-five million, three hundred seventeen thousand, five hundred fifty-two".