8782988478 has 64 divisors (see below), whose sum is σ = 19663471872. Its totient is φ = 2592334080.

The previous prime is 8782988453. The next prime is 8782988483. The reversal of 8782988478 is 8748892878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054426 + ... + 1062722.

It is an arithmetic number, because the mean of its divisors is an integer number (307241748).

Almost surely, 2^8782988478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8782988478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9831735936).

8782988478 is an abundant number, since it is smaller than the sum of its proper divisors (10880483394).

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

8782988478 is a wasteful number, since it uses less digits than its factorization.

8782988478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729.

The product of its digits is 115605504, while the sum is 69.

The square root of 8782988478 is about 93717.5996171477. The cubic root of 8782988478 is about 2063.2290200245.

The spelling of 8782988478 in words is "eight billion, seven hundred eighty-two million, nine hundred eighty-eight thousand, four hundred seventy-eight".