84594537665 has 8 divisors (see below), whose sum is σ = 110741940288. Its totient is φ = 61523300080.

The previous prime is 84594537637. The next prime is 84594537697. The reversal of 84594537665 is 56673549548.

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

It is not a de Polignac number, because 84594537665 - 2⁸ = 84594537409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84594537598 and 84594537607.

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, 769041197 + ... + 769041306.

It is an arithmetic number, because the mean of its divisors is an integer number (13842742536).

Almost surely, 2^84594537665 is an apocalyptic number.

It is an amenable number.

84594537665 is a deficient number, since it is larger than the sum of its proper divisors (26147402623).

84594537665 is a wasteful number, since it uses less digits than its factorization.

84594537665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538082519.

The product of its digits is 108864000, while the sum is 62.

The spelling of 84594537665 in words is "eighty-four billion, five hundred ninety-four million, five hundred thirty-seven thousand, six hundred sixty-five".