2765357485 has 16 divisors (see below), whose sum is σ = 3623280192. Its totient is φ = 2009404800.

The previous prime is 2765357447. The next prime is 2765357501. The reversal of 2765357485 is 5847535672.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2765357485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42937 + ... + 85873.

It is an arithmetic number, because the mean of its divisors is an integer number (226455012).

Almost surely, 2^2765357485 is an apocalyptic number.

2765357485 is the 42937-th pentagonal number.

It is an amenable number.

2765357485 is a deficient number, since it is larger than the sum of its proper divisors (857922707).

2765357485 is a wasteful number, since it uses less digits than its factorization.

2765357485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44124.

The product of its digits is 7056000, while the sum is 52.

The square root of 2765357485 is about 52586.6664183993. Note that the first 3 decimals coincide. The cubic root of 2765357485 is about 1403.6228422634.

The spelling of 2765357485 in words is "two billion, seven hundred sixty-five million, three hundred fifty-seven thousand, four hundred eighty-five".