7915839488 has 42 divisors (see below), whose sum is σ = 15846833559. Its totient is φ = 3953893376.

The previous prime is 7915839469. The next prime is 7915839559. The reversal of 7915839488 is 8849385197.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3957919744 + 3957919744 = 62912^2 + 62912^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=62912.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7915839488.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8052245 + ... + 8053227.

Almost surely, 2^7915839488 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 7915839488

7915839488 is an abundant number, since it is smaller than the sum of its proper divisors (7930994071).

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

7915839488 is an frugal number, since it uses more digits than its factorization.

7915839488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 985 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The square root of 7915839488 is about 88971.0036360162. The cubic root of 7915839488 is about 1992.9618855251.

The spelling of 7915839488 in words is "seven billion, nine hundred fifteen million, eight hundred thirty-nine thousand, four hundred eighty-eight".