7982207481 has 8 divisors (see below), whose sum is σ = 10663295200. Its totient is φ = 5311295712.

The previous prime is 7982207423. The next prime is 7982207491. The reversal of 7982207481 is 1847022897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7982207481 - 2²² = 7978013177 is a prime.

It is a super-2 number, since 2×7982207481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7982207481.

It is not an unprimeable number, because it can be changed into a prime (7982207491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542156 + ... + 2545293.

It is an arithmetic number, because the mean of its divisors is an integer number (1332911900).

Almost surely, 2^7982207481 is an apocalyptic number.

It is an amenable number.

7982207481 is a deficient number, since it is larger than the sum of its proper divisors (2681087719).

7982207481 is a wasteful number, since it uses less digits than its factorization.

7982207481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087975.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 7982207481 is about 89343.2005303146. The cubic root of 7982207481 is about 1998.5161895088.

The spelling of 7982207481 in words is "seven billion, nine hundred eighty-two million, two hundred seven thousand, four hundred eighty-one".