977227164163 has 2 divisors, whose sum is σ = 977227164164. Its totient is φ = 977227164162.

The previous prime is 977227164131. The next prime is 977227164169. The reversal of 977227164163 is 361461722779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 977227164163 - 2⁵ = 977227164131 is a prime.

It is not a weakly prime, because it can be changed into another prime (977227164169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488613582081 + 488613582082.

It is an arithmetic number, because the mean of its divisors is an integer number (488613582082).

Almost surely, 2^977227164163 is an apocalyptic number.

977227164163 is a deficient number, since it is larger than the sum of its proper divisors (1).

977227164163 is an equidigital number, since it uses as much as digits as its factorization.

977227164163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The spelling of 977227164163 in words is "nine hundred seventy-seven billion, two hundred twenty-seven million, one hundred sixty-four thousand, one hundred sixty-three".