545347687 has 18 divisors (see below), whose sum is σ = 582631952. Its totient is φ = 510400176.

The previous prime is 545347681. The next prime is 545347711. The reversal of 545347687 is 786743545.

It is not a de Polignac number, because 545347687 - 2⁷ = 545347559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545347687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545347681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1485778 + ... + 1486144.

Almost surely, 2^545347687 is an apocalyptic number.

545347687 is a deficient number, since it is larger than the sum of its proper divisors (37284265).

545347687 is an equidigital number, since it uses as much as digits as its factorization.

545347687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 443 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

The square root of 545347687 is about 23352.6805099543. The cubic root of 545347687 is about 817.0045813232.

The spelling of 545347687 in words is "five hundred forty-five million, three hundred forty-seven thousand, six hundred eighty-seven".