495808679 has 4 divisors (see below), whose sum is σ = 512905560. Its totient is φ = 478711800.

The previous prime is 495808571. The next prime is 495808721. The reversal of 495808679 is 976808594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976808594 = 2 ⋅488404297.

It is a cyclic number.

It is not a de Polignac number, because 495808679 - 2²⁰ = 494760103 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 (495808279) 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, 8548397 + ... + 8548454.

It is an arithmetic number, because the mean of its divisors is an integer number (128226390).

Almost surely, 2^495808679 is an apocalyptic number.

495808679 is a deficient number, since it is larger than the sum of its proper divisors (17096881).

495808679 is a wasteful number, since it uses less digits than its factorization.

495808679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096880.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 495808679 is about 22266.7617537890. The cubic root of 495808679 is about 791.4765309196.

The spelling of 495808679 in words is "four hundred ninety-five million, eight hundred eight thousand, six hundred seventy-nine".