7996320064 has 14 divisors (see below), whose sum is σ = 15867697754. Its totient is φ = 3998160000.

The previous prime is 7996320049. The next prime is 7996320071. The reversal of 7996320064 is 4600236997.

It can be written as a sum of positive squares in only one way, i.e., 6987622464 + 1008697600 = 83592^2 + 31760^2 .

It is a super-3 number, since 3×7996320064³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 7996319996 and 7996320023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62471187 + ... + 62471314.

Almost surely, 2^7996320064 is an apocalyptic number.

It is an amenable number.

7996320064 is a deficient number, since it is larger than the sum of its proper divisors (7871377690).

7996320064 is a wasteful number, since it uses less digits than its factorization.

7996320064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124942513 (or 124942503 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 7996320064 is about 89422.1452661476. The cubic root of 7996320064 is about 1999.6932916341.

The spelling of 7996320064 in words is "seven billion, nine hundred ninety-six million, three hundred twenty thousand, sixty-four".