495777123 has 6 divisors (see below), whose sum is σ = 716122524. Its totient is φ = 330518076.

The previous prime is 495777109. The next prime is 495777131. The reversal of 495777123 is 321777594.

495777123 is a `hidden beast` number, since 4 + 9 + 577 + 71 + 2 + 3 = 666.

It is not a de Polignac number, because 495777123 - 2¹⁷ = 495646051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495777133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27543165 + ... + 27543182.

It is an arithmetic number, because the mean of its divisors is an integer number (119353754).

Almost surely, 2^495777123 is an apocalyptic number.

495777123 is a deficient number, since it is larger than the sum of its proper divisors (220345401).

495777123 is a wasteful number, since it uses less digits than its factorization.

495777123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55086353 (or 55086350 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 495777123 is about 22266.0531527256. The cubic root of 495777123 is about 791.4597392522.

The spelling of 495777123 in words is "four hundred ninety-five million, seven hundred seventy-seven thousand, one hundred twenty-three".