492679783 has 4 divisors (see below), whose sum is σ = 498615768. Its totient is φ = 486743800.

The previous prime is 492679777. The next prime is 492679819. The reversal of 492679783 is 387976294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387976294 = 2 ⋅193988147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492679783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492679723) 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, 2967868 + ... + 2968033.

It is an arithmetic number, because the mean of its divisors is an integer number (124653942).

Almost surely, 2^492679783 is an apocalyptic number.

492679783 is a deficient number, since it is larger than the sum of its proper divisors (5935985).

492679783 is an equidigital number, since it uses as much as digits as its factorization.

492679783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935984.

The product of its digits is 4572288, while the sum is 55.

The square root of 492679783 is about 22196.3912156909. The cubic root of 492679783 is about 789.8080947100.

The spelling of 492679783 in words is "four hundred ninety-two million, six hundred seventy-nine thousand, seven hundred eighty-three".