506779 has 8 divisors (see below), whose sum is σ = 623840. Its totient is φ = 400896.

The previous prime is 506773. The next prime is 506783. The reversal of 506779 is 977605.

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 506779 - 2¹⁷ = 375707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (77980).

2⁵⁰⁶⁷⁷⁹ is an apocalyptic number.

506779 is a deficient number, since it is larger than the sum of its proper divisors (117061).

506779 is a wasteful number, since it uses less digits than its factorization.

506779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 506779 is about 711.8841197836. The cubic root of 506779 is about 79.7271433402.

The spelling of 506779 in words is "five hundred six thousand, seven hundred seventy-nine".