8120388084 has 12 divisors (see below), whose sum is σ = 18947572224. Its totient is φ = 2706796024.

The previous prime is 8120388053. The next prime is 8120388091. The reversal of 8120388084 is 4808830218.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338349492 + ... + 338349515.

It is an arithmetic number, because the mean of its divisors is an integer number (1578964352).

Almost surely, 2^8120388084 is an apocalyptic number.

It is an amenable number.

8120388084 is an abundant number, since it is smaller than the sum of its proper divisors (10827184140).

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

8120388084 is a wasteful number, since it uses less digits than its factorization.

8120388084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676699014 (or 676699012 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 8120388084 is about 90113.1959482073. The cubic root of 8120388084 is about 2009.9824329546.

The spelling of 8120388084 in words is "eight billion, one hundred twenty million, three hundred eighty-eight thousand, eighty-four".