495871047 has 24 divisors (see below), whose sum is σ = 819992576. Its totient is φ = 282866256.

The previous prime is 495871037. The next prime is 495871069. The reversal of 495871047 is 740178594.

It is a happy number.

It is not a de Polignac number, because 495871047 - 2⁷ = 495870919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495870993 and 495871011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495871027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31758 + ... + 44724.

Almost surely, 2^495871047 is an apocalyptic number.

495871047 is a deficient number, since it is larger than the sum of its proper divisors (324121529).

495871047 is a wasteful number, since it uses less digits than its factorization.

495871047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587 (or 13584 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 495871047 is about 22268.1621828116. The cubic root of 495871047 is about 791.5097162595.

The spelling of 495871047 in words is "four hundred ninety-five million, eight hundred seventy-one thousand, forty-seven".