85625771289 has 8 divisors (see below), whose sum is σ = 114182440320. Its totient is φ = 57076474896.

The previous prime is 85625771269. The next prime is 85625771291. The reversal of 85625771289 is 98217752658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85625771289 - 2¹¹ = 85625769241 is a prime.

It is a super-2 number, since 2×85625771289² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85625771239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816002 + ... + 1862555.

It is an arithmetic number, because the mean of its divisors is an integer number (14272805040).

Almost surely, 2^85625771289 is an apocalyptic number.

It is an amenable number.

85625771289 is a deficient number, since it is larger than the sum of its proper divisors (28556669031).

85625771289 is a wasteful number, since it uses less digits than its factorization.

85625771289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686319.

The product of its digits is 16934400, while the sum is 60.

The spelling of 85625771289 in words is "eighty-five billion, six hundred twenty-five million, seven hundred seventy-one thousand, two hundred eighty-nine".