85836235566655 has 16 divisors (see below), whose sum is σ = 117718473374784. Its totient is φ = 58859029232640.

The previous prime is 85836235566643. The next prime is 85836235566689. The reversal of 85836235566655 is 55666553263858.

It is not a de Polignac number, because 85836235566655 - 2⁷ = 85836235566527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21691215 + ... + 25341295.

It is an arithmetic number, because the mean of its divisors is an integer number (7357404585924).

Almost surely, 2^{85836235566655} is an apocalyptic number.

85836235566655 is a deficient number, since it is larger than the sum of its proper divisors (31882237808129).

85836235566655 is a wasteful number, since it uses less digits than its factorization.

85836235566655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321986.

The product of its digits is 4665600000, while the sum is 73.

The spelling of 85836235566655 in words is "eighty-five trillion, eight hundred thirty-six billion, two hundred thirty-five million, five hundred sixty-six thousand, six hundred fifty-five".