506791679 has 4 divisors (see below), whose sum is σ = 518577576. Its totient is φ = 495005784.

The previous prime is 506791673. The next prime is 506791699. The reversal of 506791679 is 976197605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976197605 = 5 ⋅195239521.

It is a cyclic number.

It is not a de Polignac number, because 506791679 - 2²⁴ = 490014463 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 (506791673) 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, 5892884 + ... + 5892969.

It is an arithmetic number, because the mean of its divisors is an integer number (129644394).

Almost surely, 2^506791679 is an apocalyptic number.

506791679 is a deficient number, since it is larger than the sum of its proper divisors (11785897).

506791679 is a wasteful number, since it uses less digits than its factorization.

506791679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11785896.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 506791679 is about 22512.0340929024. The cubic root of 506791679 is about 797.2780822706.

The spelling of 506791679 in words is "five hundred six million, seven hundred ninety-one thousand, six hundred seventy-nine".