563478977 has 2 divisors, whose sum is σ = 563478978. Its totient is φ = 563478976.

The previous prime is 563478947. The next prime is 563479027. The reversal of 563478977 is 779874365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409495696 + 153983281 = 20236^2 + 12409^2 .

It is a cyclic number.

It is not a de Polignac number, because 563478977 - 2⁶ = 563478913 is a prime.

It is not a weakly prime, because it can be changed into another prime (563478947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281739488 + 281739489.

It is an arithmetic number, because the mean of its divisors is an integer number (281739489).

Almost surely, 2^563478977 is an apocalyptic number.

It is an amenable number.

563478977 is a deficient number, since it is larger than the sum of its proper divisors (1).

563478977 is an equidigital number, since it uses as much as digits as its factorization.

563478977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 56.

The square root of 563478977 is about 23737.7121264877. The cubic root of 563478977 is about 825.9604251647.

The spelling of 563478977 in words is "five hundred sixty-three million, four hundred seventy-eight thousand, nine hundred seventy-seven".