85653787085 has 16 divisors (see below), whose sum is σ = 106721245440. Its totient is φ = 65916002880.

The previous prime is 85653787067. The next prime is 85653787099. The reversal of 85653787085 is 58078735658.

It is not a de Polignac number, because 85653787085 - 2¹⁰ = 85653786061 is a prime.

It is a super-3 number, since 3×85653787085³ (a number of 34 digits) contains 333 as substring.

It is a Curzon 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, 1050587 + ... + 1129176.

It is an arithmetic number, because the mean of its divisors is an integer number (6670077840).

Almost surely, 2^85653787085 is an apocalyptic number.

It is an amenable number.

85653787085 is a deficient number, since it is larger than the sum of its proper divisors (21067458355).

85653787085 is a wasteful number, since it uses less digits than its factorization.

85653787085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180068.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 85653787085 in words is "eighty-five billion, six hundred fifty-three million, seven hundred eighty-seven thousand, eighty-five".