85836235404505 has 16 divisors (see below), whose sum is σ = 105403106603520. Its totient is φ = 67069366011648.

The previous prime is 85836235404497. The next prime is 85836235404523. The reversal of 85836235404505 is 50540453263858.

It is a cyclic number.

It is not a de Polignac number, because 85836235404505 - 2³ = 85836235404497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85836235404505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519817 + ... + 13342486.

It is an arithmetic number, because the mean of its divisors is an integer number (6587694162720).

Almost surely, 2^{85836235404505} is an apocalyptic number.

It is an amenable number.

85836235404505 is a deficient number, since it is larger than the sum of its proper divisors (19566871199015).

85836235404505 is a wasteful number, since it uses less digits than its factorization.

85836235404505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15887520.

The product of its (nonzero) digits is 69120000, while the sum is 58.

The spelling of 85836235404505 in words is "eighty-five trillion, eight hundred thirty-six billion, two hundred thirty-five million, four hundred four thousand, five hundred five".