85289092688 has 10 divisors (see below), whose sum is σ = 165247617114. Its totient is φ = 42644546336.

The previous prime is 85289092687. The next prime is 85289092697. The reversal of 85289092688 is 88629098258.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56954777104 + 28334315584 = 238652^2 + 168328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85289092687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665284131 + ... + 2665284162.

Almost surely, 2^85289092688 is an apocalyptic number.

It is an amenable number.

85289092688 is a deficient number, since it is larger than the sum of its proper divisors (79958524426).

85289092688 is a wasteful number, since it uses less digits than its factorization.

85289092688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330568301 (or 5330568295 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 85289092688 in words is "eighty-five billion, two hundred eighty-nine million, ninety-two thousand, six hundred eighty-eight".