7982960689 has 16 divisors (see below), whose sum is σ = 8852163840. Its totient is φ = 7138002960.

The previous prime is 7982960677. The next prime is 7982960717. The reversal of 7982960689 is 9860692897.

It is a happy number.

It is not a de Polignac number, because 7982960689 - 2⁹ = 7982960177 is a prime.

It is a super-2 number, since 2×7982960689² (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 7982960689.

It is not an unprimeable number, because it can be changed into a prime (7982940689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495442 + ... + 511300.

It is an arithmetic number, because the mean of its divisors is an integer number (553260240).

Almost surely, 2^7982960689 is an apocalyptic number.

It is an amenable number.

7982960689 is a deficient number, since it is larger than the sum of its proper divisors (869203151).

7982960689 is a wasteful number, since it uses less digits than its factorization.

7982960689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16620.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The square root of 7982960689 is about 89347.4156817084. The cubic root of 7982960689 is about 1998.5790481036.

The spelling of 7982960689 in words is "seven billion, nine hundred eighty-two million, nine hundred sixty thousand, six hundred eighty-nine".