7972941911 has 16 divisors (see below), whose sum is σ = 9346855680. Its totient is φ = 6719940480.

The previous prime is 7972941901. The next prime is 7972941917. The reversal of 7972941911 is 1191492797.

It is not a de Polignac number, because 7972941911 - 2²² = 7968747607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7972941911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972941917) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 305651 + ... + 330708.

It is an arithmetic number, because the mean of its divisors is an integer number (584178480).

Almost surely, 2^7972941911 is an apocalyptic number.

7972941911 is a deficient number, since it is larger than the sum of its proper divisors (1373913769).

7972941911 is a wasteful number, since it uses less digits than its factorization.

7972941911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636454.

The product of its digits is 285768, while the sum is 50.

The square root of 7972941911 is about 89291.3316677492. The cubic root of 7972941911 is about 1997.7426123090.

The spelling of 7972941911 in words is "seven billion, nine hundred seventy-two million, nine hundred forty-one thousand, nine hundred eleven".