495857847 has 4 divisors (see below), whose sum is σ = 661143800. Its totient is φ = 330571896.

The previous prime is 495857827. The next prime is 495857861. The reversal of 495857847 is 748758594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 495857847 - 2¹¹ = 495855799 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 (495857827) 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, 82642972 + ... + 82642977.

It is an arithmetic number, because the mean of its divisors is an integer number (165285950).

Almost surely, 2^495857847 is an apocalyptic number.

495857847 is a deficient number, since it is larger than the sum of its proper divisors (165285953).

495857847 is a wasteful number, since it uses less digits than its factorization.

495857847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165285952.

The product of its digits is 11289600, while the sum is 57.

The square root of 495857847 is about 22267.8657935600. The cubic root of 495857847 is about 791.5026929141.

The spelling of 495857847 in words is "four hundred ninety-five million, eight hundred fifty-seven thousand, eight hundred forty-seven".