7992215520 has 192 divisors, whose sum is σ = 25730369280. Its totient is φ = 2084659200.

The previous prime is 7992215509. The next prime is 7992215563. The reversal of 7992215520 is 255122997.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6824535 + ... + 6825705.

It is an arithmetic number, because the mean of its divisors is an integer number (134012340).

Almost surely, 2^7992215520 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 7992215520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12865184640).

7992215520 is an abundant number, since it is smaller than the sum of its proper divisors (17738153760).

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

7992215520 is a wasteful number, since it uses less digits than its factorization.

7992215520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 7992215520 is about 89399.1919426568. The cubic root of 7992215520 is about 1999.3510828093.

The spelling of 7992215520 in words is "seven billion, nine hundred ninety-two million, two hundred fifteen thousand, five hundred twenty".