83679834085 has 8 divisors (see below), whose sum is σ = 100608540696. Its totient is φ = 66815374080.

The previous prime is 83679834061. The next prime is 83679834151. The reversal of 83679834085 is 58043897638.

It can be written as a sum of positive squares in 4 ways, for example, as 2450844036 + 81228990049 = 49506^2 + 285007^2 .

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

It is not a de Polignac number, because 83679834085 - 2³¹ = 81532350437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16058784 + ... + 16063993.

It is an arithmetic number, because the mean of its divisors is an integer number (12576067587).

Almost surely, 2^83679834085 is an apocalyptic number.

It is an amenable number.

83679834085 is a deficient number, since it is larger than the sum of its proper divisors (16928706611).

83679834085 is a wasteful number, since it uses less digits than its factorization.

83679834085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32123303.

The product of its (nonzero) digits is 34836480, while the sum is 61.

It can be divided in two parts, 83679 and 834085, that added together give a square (917764 = 958²).

The spelling of 83679834085 in words is "eighty-three billion, six hundred seventy-nine million, eight hundred thirty-four thousand, eighty-five".