83579560685 has 8 divisors (see below), whose sum is σ = 100304344440. Its totient is φ = 66857734144.

The previous prime is 83579560651. The next prime is 83579560721. The reversal of 83579560685 is 58606597538.

It can be written as a sum of positive squares in 4 ways, for example, as 304607209 + 83274953476 = 17453^2 + 288574^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83579560685 - 2⁶ = 83579560621 is a prime.

It is a super-3 number, since 3×83579560685³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676640 + ... + 790569.

It is an arithmetic number, because the mean of its divisors is an integer number (12538043055).

Almost surely, 2^83579560685 is an apocalyptic number.

It is an amenable number.

83579560685 is a deficient number, since it is larger than the sum of its proper divisors (16724783755).

83579560685 is a wasteful number, since it uses less digits than its factorization.

83579560685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478607.

The product of its (nonzero) digits is 54432000, while the sum is 62.

The spelling of 83579560685 in words is "eighty-three billion, five hundred seventy-nine million, five hundred sixty thousand, six hundred eighty-five".