7982272291 has 16 divisors (see below), whose sum is σ = 9523008000. Its totient is φ = 6541875648.

The previous prime is 7982272273. The next prime is 7982272321. The reversal of 7982272291 is 1922722897.

It is not a de Polignac number, because 7982272291 - 2¹⁵ = 7982239523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7982272391) 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, 469660 + ... + 486358.

It is an arithmetic number, because the mean of its divisors is an integer number (595188000).

Almost surely, 2^7982272291 is an apocalyptic number.

7982272291 is a deficient number, since it is larger than the sum of its proper divisors (1540735709).

7982272291 is a wasteful number, since it uses less digits than its factorization.

7982272291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19698.

The product of its digits is 508032, while the sum is 49.

The square root of 7982272291 is about 89343.5632320538. The cubic root of 7982272291 is about 1998.5215983502.

The spelling of 7982272291 in words is "seven billion, nine hundred eighty-two million, two hundred seventy-two thousand, two hundred ninety-one".