7868782080 has 480 divisors, whose sum is σ = 29415260160. Its totient is φ = 1938309120.

The previous prime is 7868782073. The next prime is 7868782081. The reversal of 7868782080 is 802878687.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868782081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16427281 + ... + 16427759.

It is an arithmetic number, because the mean of its divisors is an integer number (61281792).

Almost surely, 2^7868782080 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 7868782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14707630080).

7868782080 is an abundant number, since it is smaller than the sum of its proper divisors (21546478080).

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

7868782080 is a wasteful number, since it uses less digits than its factorization.

7868782080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The square root of 7868782080 is about 88706.1558179589. The cubic root of 7868782080 is about 1989.0048373024.

The spelling of 7868782080 in words is "seven billion, eight hundred sixty-eight million, seven hundred eighty-two thousand, eighty".