85538557835 has 16 divisors (see below), whose sum is σ = 104604134400. Its totient is φ = 67130450016.

The previous prime is 85538557763. The next prime is 85538557873. The reversal of 85538557835 is 53875583558.

It is a cyclic number.

It is not a de Polignac number, because 85538557835 - 2²⁰ = 85537509259 is a prime.

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, 161369 + ... + 443978.

It is an arithmetic number, because the mean of its divisors is an integer number (6537758400).

Almost surely, 2^85538557835 is an apocalyptic number.

85538557835 is a deficient number, since it is larger than the sum of its proper divisors (19065576565).

85538557835 is a wasteful number, since it uses less digits than its factorization.

85538557835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605890.

The product of its digits is 100800000, while the sum is 62.

The spelling of 85538557835 in words is "eighty-five billion, five hundred thirty-eight million, five hundred fifty-seven thousand, eight hundred thirty-five".