492158847 has 4 divisors (see below), whose sum is σ = 656211800. Its totient is φ = 328105896.

The previous prime is 492158837. The next prime is 492158851. The reversal of 492158847 is 748851294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 492158847 - 2⁶ = 492158783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492158796 and 492158805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492158837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82026472 + ... + 82026477.

It is an arithmetic number, because the mean of its divisors is an integer number (164052950).

Almost surely, 2^492158847 is an apocalyptic number.

492158847 is a deficient number, since it is larger than the sum of its proper divisors (164052953).

492158847 is a wasteful number, since it uses less digits than its factorization.

492158847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164052952.

The product of its digits is 645120, while the sum is 48.

The square root of 492158847 is about 22184.6534117619. The cubic root of 492158847 is about 789.5296281271.

The spelling of 492158847 in words is "four hundred ninety-two million, one hundred fifty-eight thousand, eight hundred forty-seven".