492117879 has 64 divisors (see below), whose sum is σ = 783820800. Its totient is φ = 271440000.

The previous prime is 492117863. The next prime is 492117889. The reversal of 492117879 is 978711294.

It is not a de Polignac number, because 492117879 - 2⁴ = 492117863 is a prime.

It is a super-3 number, since 3×492117879³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492117809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1960504 + ... + 1960754.

It is an arithmetic number, because the mean of its divisors is an integer number (12247200).

Almost surely, 2^492117879 is an apocalyptic number.

492117879 is a deficient number, since it is larger than the sum of its proper divisors (291702921).

492117879 is a wasteful number, since it uses less digits than its factorization.

492117879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 254016, while the sum is 48.

The square root of 492117879 is about 22183.7300515490. The cubic root of 492117879 is about 789.5077203307.

The spelling of 492117879 in words is "four hundred ninety-two million, one hundred seventeen thousand, eight hundred seventy-nine".