83541724285 has 8 divisors (see below), whose sum is σ = 101242644696. Its totient is φ = 66171662400.

The previous prime is 83541724249. The next prime is 83541724291. The reversal of 83541724285 is 58242714538.

It can be written as a sum of positive squares in 4 ways, for example, as 43146352089 + 40395372196 = 207717^2 + 200986^2 .

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

It is not a de Polignac number, because 83541724285 - 2¹¹ = 83541722237 is a prime.

It is a super-2 number, since 2×83541724285² (a number of 23 digits) contains 22 as substring.

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, 82714074 + ... + 82715083.

It is an arithmetic number, because the mean of its divisors is an integer number (12655330587).

Almost surely, 2^83541724285 is an apocalyptic number.

It is an amenable number.

83541724285 is a deficient number, since it is larger than the sum of its proper divisors (17700920411).

83541724285 is a wasteful number, since it uses less digits than its factorization.

83541724285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165429263.

The product of its digits is 2150400, while the sum is 49.

The spelling of 83541724285 in words is "eighty-three billion, five hundred forty-one million, seven hundred twenty-four thousand, two hundred eighty-five".