492985377 has 6 divisors (see below), whose sum is σ = 712090002. Its totient is φ = 328656912.

The previous prime is 492985351. The next prime is 492985399. The reversal of 492985377 is 773589294.

492985377 is a `hidden beast` number, since 492 + 9 + 85 + 3 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470716416 + 22268961 = 21696^2 + 4719^2 .

It is not a de Polignac number, because 492985377 - 2⁷ = 492985249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (492985477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27388068 + ... + 27388085.

It is an arithmetic number, because the mean of its divisors is an integer number (118681667).

Almost surely, 2^492985377 is an apocalyptic number.

It is an amenable number.

492985377 is a deficient number, since it is larger than the sum of its proper divisors (219104625).

492985377 is a wasteful number, since it uses less digits than its factorization.

492985377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54776159 (or 54776156 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 492985377 is about 22203.2740153339. The cubic root of 492985377 is about 789.9713587864.

The spelling of 492985377 in words is "four hundred ninety-two million, nine hundred eighty-five thousand, three hundred seventy-seven".