7977364163 has 2 divisors, whose sum is σ = 7977364164. Its totient is φ = 7977364162.

The previous prime is 7977364139. The next prime is 7977364231. The reversal of 7977364163 is 3614637797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7977364163 - 2²² = 7973169859 is a prime.

It is not a weakly prime, because it can be changed into another prime (7977364133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3988682081 + 3988682082.

It is an arithmetic number, because the mean of its divisors is an integer number (3988682082).

Almost surely, 2^7977364163 is an apocalyptic number.

7977364163 is a deficient number, since it is larger than the sum of its proper divisors (1).

7977364163 is an equidigital number, since it uses as much as digits as its factorization.

7977364163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 53.

The square root of 7977364163 is about 89316.0912881884. The cubic root of 7977364163 is about 1998.1118983470. Note that the first 3 decimals are identical.

The spelling of 7977364163 in words is "seven billion, nine hundred seventy-seven million, three hundred sixty-four thousand, one hundred sixty-three".