7972822658 has 16 divisors (see below), whose sum is σ = 12077208000. Its totient is φ = 3947136912.

The previous prime is 7972822631. The next prime is 7972822679. The reversal of 7972822658 is 8562282797.

It is a super-2 number, since 2×7972822658² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 328133 + ... + 351591.

It is an arithmetic number, because the mean of its divisors is an integer number (754825500).

Almost surely, 2^7972822658 is an apocalyptic number.

7972822658 is a deficient number, since it is larger than the sum of its proper divisors (4104385342).

7972822658 is a wasteful number, since it uses less digits than its factorization.

7972822658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25129.

The product of its digits is 6773760, while the sum is 56.

The square root of 7972822658 is about 89290.6638904651. The cubic root of 7972822658 is about 1997.7326520380.

The spelling of 7972822658 in words is "seven billion, nine hundred seventy-two million, eight hundred twenty-two thousand, six hundred fifty-eight".