83539361905 has 8 divisors (see below), whose sum is σ = 100826699112. Its totient is φ = 66445179648.

The previous prime is 83539361897. The next prime is 83539361923. The reversal of 83539361905 is 50916393538.

It can be written as a sum of positive squares in 4 ways, for example, as 9998600049 + 73540761856 = 99993^2 + 271184^2 .

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 83539361905 - 2³ = 83539361897 is a prime.

It is a super-4 number, since 4×83539361905⁴ (a number of 45 digits) contains 4444 as substring.

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, 48287784 + ... + 48289513.

It is an arithmetic number, because the mean of its divisors is an integer number (12603337389).

Almost surely, 2^83539361905 is an apocalyptic number.

It is an amenable number.

83539361905 is a deficient number, since it is larger than the sum of its proper divisors (17287337207).

83539361905 is a wasteful number, since it uses less digits than its factorization.

83539361905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96577475.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 83539361905 in words is "eighty-three billion, five hundred thirty-nine million, three hundred sixty-one thousand, nine hundred five".