8778240000 has 520 divisors, whose sum is σ = 32753515520. Its totient is φ = 2322432000.

The previous prime is 8778239971. The next prime is 8778240001. The reversal of 8778240000 is 428778.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8778240001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69119937 + ... + 69120063.

Almost surely, 2^8778240000 is an apocalyptic number.

8778240000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8778240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16376757760).

8778240000 is an abundant number, since it is smaller than the sum of its proper divisors (23975275520).

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

8778240000 is an equidigital number, since it uses as much as digits as its factorization.

8778240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 8778240000 is about 93692.2622205270. The cubic root of 8778240000 is about 2062.8571282412.

Adding to 8778240000 its reverse (428778), we get a palindrome (8778668778).

The spelling of 8778240000 in words is "eight billion, seven hundred seventy-eight million, two hundred forty thousand".