83264344565 has 8 divisors (see below), whose sum is σ = 99926691768. Its totient is φ = 66605156800.

The previous prime is 83264344561. The next prime is 83264344577. The reversal of 83264344565 is 56544346238.

It can be written as a sum of positive squares in 4 ways, for example, as 23826392164 + 59437952401 = 154358^2 + 243799^2 .

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

It is not a de Polignac number, because 83264344565 - 2² = 83264344561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83264344561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 731486 + ... + 837615.

It is an arithmetic number, because the mean of its divisors is an integer number (12490836471).

Almost surely, 2^83264344565 is an apocalyptic number.

It is an amenable number.

83264344565 is a deficient number, since it is larger than the sum of its proper divisors (16662347203).

83264344565 is a wasteful number, since it uses less digits than its factorization.

83264344565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579719.

The product of its digits is 8294400, while the sum is 50.

The spelling of 83264344565 in words is "eighty-three billion, two hundred sixty-four million, three hundred forty-four thousand, five hundred sixty-five".