495776977 has 2 divisors, whose sum is σ = 495776978. Its totient is φ = 495776976.

The previous prime is 495776969. The next prime is 495776989. The reversal of 495776977 is 779677594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452795841 + 42981136 = 21279^2 + 6556^2 .

It is a cyclic number.

It is not a de Polignac number, because 495776977 - 2³ = 495776969 is a prime.

It is not a weakly prime, because it can be changed into another prime (495776947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247888488 + 247888489.

It is an arithmetic number, because the mean of its divisors is an integer number (247888489).

Almost surely, 2^495776977 is an apocalyptic number.

It is an amenable number.

495776977 is a deficient number, since it is larger than the sum of its proper divisors (1).

495776977 is an equidigital number, since it uses as much as digits as its factorization.

495776977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23337720, while the sum is 61.

The square root of 495776977 is about 22266.0498741919. The cubic root of 495776977 is about 791.4596615606.

The spelling of 495776977 in words is "four hundred ninety-five million, seven hundred seventy-six thousand, nine hundred seventy-seven".