5485487765 has 4 divisors (see below), whose sum is σ = 6582585324. Its totient is φ = 4388390208.

The previous prime is 5485487753. The next prime is 5485487797. The reversal of 5485487765 is 5677845845.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2698386916 + 2787100849 = 51946^2 + 52793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5485487765 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548548772 + ... + 548548781.

It is an arithmetic number, because the mean of its divisors is an integer number (1645646331).

Almost surely, 2^5485487765 is an apocalyptic number.

It is an amenable number.

5485487765 is a deficient number, since it is larger than the sum of its proper divisors (1097097559).

5485487765 is a wasteful number, since it uses less digits than its factorization.

5485487765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097097558.

The product of its digits is 37632000, while the sum is 59.

The square root of 5485487765 is about 74064.0787764217. The cubic root of 5485487765 is about 1763.6202776027.

The spelling of 5485487765 in words is "five billion, four hundred eighty-five million, four hundred eighty-seven thousand, seven hundred sixty-five".