7998003504 has 100 divisors (see below), whose sum is σ = 23427755736. Its totient is φ = 2633845248.

The previous prime is 7998003499. The next prime is 7998003521. The reversal of 7998003504 is 4053008997.

It is a self number, because there is not a number n which added to its sum of digits gives 7998003504.

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 19 ways as a sum of consecutive naturals, for example, 70392 + ... + 144744.

Almost surely, 2^7998003504 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 7998003504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11713877868).

7998003504 is an abundant number, since it is smaller than the sum of its proper divisors (15429752232).

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

7998003504 is a wasteful number, since it uses less digits than its factorization.

7998003504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74456 (or 74441 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 7998003504 is about 89431.5576516478. The cubic root of 7998003504 is about 1999.8336114911.

The spelling of 7998003504 in words is "seven billion, nine hundred ninety-eight million, three thousand, five hundred four".