8120988288 has 128 divisors (see below), whose sum is σ = 27392304000. Its totient is φ = 2320275456.

The previous prime is 8120988283. The next prime is 8120988311. The reversal of 8120988288 is 8828890218.

8120988288 is a `hidden beast` number, since 81 + 209 + 88 + 288 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8120988283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143653 + ... + 192036.

It is an arithmetic number, because the mean of its divisors is an integer number (214002375).

Almost surely, 2^8120988288 is an apocalyptic number.

It is an amenable number.

8120988288 is an abundant number, since it is smaller than the sum of its proper divisors (19271315712).

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

8120988288 is a wasteful number, since it uses less digits than its factorization.

8120988288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335719 (or 335701 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 54.

The square root of 8120988288 is about 90116.5261647385. The cubic root of 8120988288 is about 2010.0319531565.

The spelling of 8120988288 in words is "eight billion, one hundred twenty million, nine hundred eighty-eight thousand, two hundred eighty-eight".