7884919020 has 144 divisors (see below), whose sum is σ = 24369617664. Its totient is φ = 1903440000.

The previous prime is 7884919019. The next prime is 7884919043. The reversal of 7884919020 is 209194887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1820097 + ... + 1824423.

It is an arithmetic number, because the mean of its divisors is an integer number (169233456).

Almost surely, 2^7884919020 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 7884919020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12184808832).

7884919020 is an abundant number, since it is smaller than the sum of its proper divisors (16484698644).

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

7884919020 is a wasteful number, since it uses less digits than its factorization.

7884919020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 4599 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 7884919020 is about 88797.0665056003. The cubic root of 7884919020 is about 1990.3635624396.

The spelling of 7884919020 in words is "seven billion, eight hundred eighty-four million, nine hundred nineteen thousand, twenty".