65377282585 has 8 divisors (see below), whose sum is σ = 83067606216. Its totient is φ = 49225248000.

The previous prime is 65377282577. The next prime is 65377282637. The reversal of 65377282585 is 58528277356.

It can be written as a sum of positive squares in 4 ways, for example, as 33426077584 + 31951205001 = 182828^2 + 178749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65377282585 - 2³ = 65377282577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384572166 + ... + 384572335.

It is an arithmetic number, because the mean of its divisors is an integer number (10383450777).

Almost surely, 2^65377282585 is an apocalyptic number.

It is an amenable number.

65377282585 is a deficient number, since it is larger than the sum of its proper divisors (17690323631).

65377282585 is a wasteful number, since it uses less digits than its factorization.

65377282585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769144523.

The product of its digits is 28224000, while the sum is 58.

The spelling of 65377282585 in words is "sixty-five billion, three hundred seventy-seven million, two hundred eighty-two thousand, five hundred eighty-five".