85534874215 has 16 divisors (see below), whose sum is σ = 123478917120. Its totient is φ = 55565511840.

The previous prime is 85534874189. The next prime is 85534874231. The reversal of 85534874215 is 51247843558.

It is not a de Polignac number, because 85534874215 - 2¹¹ = 85534872167 is a prime.

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, 64311271 + ... + 64312600.

It is an arithmetic number, because the mean of its divisors is an integer number (7717432320).

Almost surely, 2^85534874215 is an apocalyptic number.

85534874215 is a deficient number, since it is larger than the sum of its proper divisors (37944042905).

85534874215 is a wasteful number, since it uses less digits than its factorization.

85534874215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128623902.

The product of its digits is 5376000, while the sum is 52.

The spelling of 85534874215 in words is "eighty-five billion, five hundred thirty-four million, eight hundred seventy-four thousand, two hundred fifteen".