7982442897 has 32 divisors (see below), whose sum is σ = 12515185536. Its totient is φ = 4461696000.

The previous prime is 7982442877. The next prime is 7982442907.

7982442897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7982442897 - 2⁶ = 7982442833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7982442897.

It is not an unprimeable number, because it can be changed into a prime (7982442817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507483 + ... + 522975.

It is an arithmetic number, because the mean of its divisors is an integer number (391099548).

Almost surely, 2^7982442897 is an apocalyptic number.

It is an amenable number.

7982442897 is a deficient number, since it is larger than the sum of its proper divisors (4532742639).

7982442897 is a wasteful number, since it uses less digits than its factorization.

7982442897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16721.

The product of its digits is 16257024, while the sum is 60.

The square root of 7982442897 is about 89344.5180019457. The cubic root of 7982442897 is about 1998.5358364575.

The spelling of 7982442897 in words is "seven billion, nine hundred eighty-two million, four hundred forty-two thousand, eight hundred ninety-seven".