85687674535 has 4 divisors (see below), whose sum is σ = 102825209448. Its totient is φ = 68550139624.

The previous prime is 85687674511. The next prime is 85687674547. The reversal of 85687674535 is 53547678658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85687674535 - 2⁵ = 85687674503 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 3 ways as a sum of consecutive naturals, for example, 8568767449 + ... + 8568767458.

It is an arithmetic number, because the mean of its divisors is an integer number (25706302362).

Almost surely, 2^85687674535 is an apocalyptic number.

85687674535 is a deficient number, since it is larger than the sum of its proper divisors (17137534913).

85687674535 is a wasteful number, since it uses less digits than its factorization.

85687674535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17137534912.

The product of its digits is 169344000, while the sum is 64.

The spelling of 85687674535 in words is "eighty-five billion, six hundred eighty-seven million, six hundred seventy-four thousand, five hundred thirty-five".