494577559 has 8 divisors (see below), whose sum is σ = 566415360. Its totient is φ = 423035736.

The previous prime is 494577527. The next prime is 494577563. The reversal of 494577559 is 955775494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494577559 - 2⁵ = 494577527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494577509) 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 7 ways as a sum of consecutive naturals, for example, 70399 + ... + 77104.

It is an arithmetic number, because the mean of its divisors is an integer number (70801920).

Almost surely, 2^494577559 is an apocalyptic number.

494577559 is a deficient number, since it is larger than the sum of its proper divisors (71837801).

494577559 is a wasteful number, since it uses less digits than its factorization.

494577559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147989.

The product of its digits is 7938000, while the sum is 55.

The square root of 494577559 is about 22239.0997794425. The cubic root of 494577559 is about 790.8208948240.

The spelling of 494577559 in words is "four hundred ninety-four million, five hundred seventy-seven thousand, five hundred fifty-nine".