7998307984384 has 33 divisors (see below), whose sum is σ = 15988986034987. Its totient is φ = 3999108742144.

The previous prime is 7998307984379. The next prime is 7998307984409. The reversal of 7998307984384 is 4834897038997.

The square root of 7998307984384 is 2828128.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×7998307984384² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 90455907 + ... + 90544285.

Almost surely, 2^{7998307984384} is an apocalyptic number.

7998307984384 is the 2828128-th square number.

It is an amenable number.

7998307984384 is a deficient number, since it is larger than the sum of its proper divisors (7990678050603).

7998307984384 is an frugal number, since it uses more digits than its factorization.

7998307984384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176778 (or 88381 counting only the distinct ones).

The product of its (nonzero) digits is 2633637888, while the sum is 79.

The spelling of 7998307984384 in words is "seven trillion, nine hundred ninety-eight billion, three hundred seven million, nine hundred eighty-four thousand, three hundred eighty-four".