7963220000 has 90 divisors (see below), whose sum is σ = 19621811979. Its totient is φ = 3180240000.

The previous prime is 7963219991. The next prime is 7963220003. The reversal of 7963220000 is 223697.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 1841096464 + 6122123536 = 42908^2 + 78244^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=63100.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7963220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12619685 + ... + 12620315.

Almost surely, 2^7963220000 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 7963220000

7963220000 is an abundant number, since it is smaller than the sum of its proper divisors (11658591979).

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

7963220000 is an frugal number, since it uses more digits than its factorization.

7963220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7963220000 is about 89236.8757857423. The cubic root of 7963220000 is about 1996.9302908534.

Adding to 7963220000 its reverse (223697), we get a palindrome (7963443697).

The spelling of 7963220000 in words is "seven billion, nine hundred sixty-three million, two hundred twenty thousand".