85811028660335 has 16 divisors (see below), whose sum is σ = 118942345609632. Its totient is φ = 58736960793600.

The previous prime is 85811028660307. The next prime is 85811028660341. The reversal of 85811028660335 is 53306682011858.

It is a happy number.

It is not a de Polignac number, because 85811028660335 - 2¹⁰ = 85811028659311 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, 45888249686 + ... + 45888251555.

It is an arithmetic number, because the mean of its divisors is an integer number (7433896600602).

Almost surely, 2^{85811028660335} is an apocalyptic number.

85811028660335 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85811028660335 is a deficient number, since it is larger than the sum of its proper divisors (33131316949297).

85811028660335 is a wasteful number, since it uses less digits than its factorization.

85811028660335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91776501274.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 85811028660335 in words is "eighty-five trillion, eight hundred eleven billion, twenty-eight million, six hundred sixty thousand, three hundred thirty-five".