7988519445 has 16 divisors (see below), whose sum is σ = 12803199552. Its totient is φ = 4253354240.

The previous prime is 7988519401. The next prime is 7988519471. The reversal of 7988519445 is 5449158897.

It is not a de Polignac number, because 7988519445 - 2¹² = 7988515349 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440151 + ... + 457940.

It is an arithmetic number, because the mean of its divisors is an integer number (800199972).

Almost surely, 2^7988519445 is an apocalyptic number.

It is an amenable number.

7988519445 is a deficient number, since it is larger than the sum of its proper divisors (4814680107).

7988519445 is a wasteful number, since it uses less digits than its factorization.

7988519445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898692.

The product of its digits is 14515200, while the sum is 60.

The square root of 7988519445 is about 89378.5178048954. The cubic root of 7988519445 is about 1999.0428290683.

The spelling of 7988519445 in words is "seven billion, nine hundred eighty-eight million, five hundred nineteen thousand, four hundred forty-five".