977047163 has 2 divisors, whose sum is σ = 977047164. Its totient is φ = 977047162.

The previous prime is 977047151. The next prime is 977047189. The reversal of 977047163 is 361740779.

It is a weak prime.

It is an emirp because it is prime and its reverse (361740779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 977047163 - 2⁸ = 977046907 is a prime.

It is not a weakly prime, because it can be changed into another prime (977047133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488523581 + 488523582.

It is an arithmetic number, because the mean of its divisors is an integer number (488523582).

Almost surely, 2^977047163 is an apocalyptic number.

977047163 is a deficient number, since it is larger than the sum of its proper divisors (1).

977047163 is an equidigital number, since it uses as much as digits as its factorization.

977047163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 977047163 is about 31257.7536460956. The cubic root of 977047163 is about 992.2897593074.

The spelling of 977047163 in words is "nine hundred seventy-seven million, forty-seven thousand, one hundred sixty-three".