492777009 has 6 divisors (see below), whose sum is σ = 711789026. Its totient is φ = 328518000.

The previous prime is 492777007. The next prime is 492777037. The reversal of 492777009 is 900777294.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 463454784 + 29322225 = 21528^2 + 5415^2 .

It is not a de Polignac number, because 492777009 - 2¹ = 492777007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492777007) 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, 27376492 + ... + 27376509.

Almost surely, 2^492777009 is an apocalyptic number.

It is an amenable number.

492777009 is a deficient number, since it is larger than the sum of its proper divisors (219012017).

492777009 is a wasteful number, since it uses less digits than its factorization.

492777009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54753007 (or 54753004 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 492777009 is about 22198.5812384486. The cubic root of 492777009 is about 789.8600451748.

The spelling of 492777009 in words is "four hundred ninety-two million, seven hundred seventy-seven thousand, nine".