7884338868 has 144 divisors (see below), whose sum is σ = 23576052864. Its totient is φ = 2174791680.

The previous prime is 7884338801. The next prime is 7884338911. The reversal of 7884338868 is 8688334887.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 998271 + ... + 1006137.

Almost surely, 2^7884338868 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 7884338868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11788026432).

7884338868 is an abundant number, since it is smaller than the sum of its proper divisors (15691713996).

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

7884338868 is a wasteful number, since it uses less digits than its factorization.

7884338868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 8017 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The square root of 7884338868 is about 88793.7997159712. The cubic root of 7884338868 is about 1990.3147459703.

It can be divided in two parts, 78843 and 38868, that added together give a palindrome (117711).

The spelling of 7884338868 in words is "seven billion, eight hundred eighty-four million, three hundred thirty-eight thousand, eight hundred sixty-eight".