7947922544 has 20 divisors (see below), whose sum is σ = 15757219896. Its totient is φ = 3881543232.

The previous prime is 7947922537. The next prime is 7947922553. The reversal of 7947922544 is 4452297497.

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 3 ways as a sum of consecutive naturals, for example, 5775419 + ... + 5776794.

Almost surely, 2^7947922544 is an apocalyptic number.

It is an amenable number.

7947922544 is a deficient number, since it is larger than the sum of its proper divisors (7809297352).

7947922544 is a wasteful number, since it uses less digits than its factorization.

7947922544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552264 (or 11552258 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The square root of 7947922544 is about 89151.1219447069. The cubic root of 7947922544 is about 1995.6507609155.

The spelling of 7947922544 in words is "seven billion, nine hundred forty-seven million, nine hundred twenty-two thousand, five hundred forty-four".