84168592685 has 8 divisors (see below), whose sum is σ = 104485149720. Its totient is φ = 65012981824.

The previous prime is 84168592643. The next prime is 84168592691. The reversal of 84168592685 is 58629586148.

It can be written as a sum of positive squares in 4 ways, for example, as 26654480644 + 57514112041 = 163262^2 + 239821^2 .

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 84168592685 - 2⁸ = 84168592429 is a prime.

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, 290236382 + ... + 290236671.

It is an arithmetic number, because the mean of its divisors is an integer number (13060643715).

Almost surely, 2^84168592685 is an apocalyptic number.

It is an amenable number.

84168592685 is a deficient number, since it is larger than the sum of its proper divisors (20316557035).

84168592685 is a wasteful number, since it uses less digits than its factorization.

84168592685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580473087.

The product of its digits is 33177600, while the sum is 62.

The spelling of 84168592685 in words is "eighty-four billion, one hundred sixty-eight million, five hundred ninety-two thousand, six hundred eighty-five".