7928833961 has 2 divisors, whose sum is σ = 7928833962. Its totient is φ = 7928833960.

The previous prime is 7928833921. The next prime is 7928833967. The reversal of 7928833961 is 1693388297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7928833936 + 25 = 89044^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 7928833961 - 2¹⁰ = 7928832937 is a prime.

It is a super-2 number, since 2×7928833961² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7928833897 and 7928833906.

It is not a weakly prime, because it can be changed into another prime (7928833967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3964416980 + 3964416981.

It is an arithmetic number, because the mean of its divisors is an integer number (3964416981).

Almost surely, 2^7928833961 is an apocalyptic number.

It is an amenable number.

7928833961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7928833961 is an equidigital number, since it uses as much as digits as its factorization.

7928833961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 7928833961 is about 89044.0001403800. Note that the first 3 decimals coincide. The cubic root of 7928833961 is about 1994.0518238881.

The spelling of 7928833961 in words is "seven billion, nine hundred twenty-eight million, eight hundred thirty-three thousand, nine hundred sixty-one".