83584615361 has 4 divisors (see below), whose sum is σ = 90014201172. Its totient is φ = 77155029552.

The previous prime is 83584615327. The next prime is 83584615379. The reversal of 83584615361 is 16351648538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45504995761 + 38079619600 = 213319^2 + 195140^2 .

It is a cyclic number.

It is not a de Polignac number, because 83584615361 - 2¹⁸ = 83584353217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83584615381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214792886 + ... + 3214792911.

It is an arithmetic number, because the mean of its divisors is an integer number (22503550293).

Almost surely, 2^83584615361 is an apocalyptic number.

It is an amenable number.

83584615361 is a deficient number, since it is larger than the sum of its proper divisors (6429585811).

83584615361 is a wasteful number, since it uses less digits than its factorization.

83584615361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429585810.

The product of its digits is 2073600, while the sum is 50.

The spelling of 83584615361 in words is "eighty-three billion, five hundred eighty-four million, six hundred fifteen thousand, three hundred sixty-one".