7288987992 has 64 divisors (see below), whose sum is σ = 21408226560. Its totient is φ = 2038876800.

The previous prime is 7288987987. The next prime is 7288987999. The reversal of 7288987992 is 2997898827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288987999) 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, 1058484 + ... + 1065347.

It is an arithmetic number, because the mean of its divisors is an integer number (334503540).

Almost surely, 2^7288987992 is an apocalyptic number.

It is an amenable number.

7288987992 is an abundant number, since it is smaller than the sum of its proper divisors (14119238568).

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

7288987992 is a wasteful number, since it uses less digits than its factorization.

7288987992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123864 (or 2123860 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 69.

The square root of 7288987992 is about 85375.5702294280. The cubic root of 7288987992 is about 1938.9014923851.

The spelling of 7288987992 in words is "seven billion, two hundred eighty-eight million, nine hundred eighty-seven thousand, nine hundred ninety-two".