85489996669 has 8 divisors (see below), whose sum is σ = 106584931008. Its totient is φ = 66615581760.

The previous prime is 85489996621. The next prime is 85489996693. The reversal of 85489996669 is 96669998458.

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

It is not a de Polignac number, because 85489996669 - 2⁷ = 85489996541 is a prime.

It is a super-2 number, since 2×85489996669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85489996609) 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, 555129772 + ... + 555129925.

It is an arithmetic number, because the mean of its divisors is an integer number (13323116376).

Almost surely, 2^85489996669 is an apocalyptic number.

It is an amenable number.

85489996669 is a deficient number, since it is larger than the sum of its proper divisors (21094934339).

85489996669 is a wasteful number, since it uses less digits than its factorization.

85489996669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110259715.

The product of its digits is 1813985280, while the sum is 79.

The spelling of 85489996669 in words is "eighty-five billion, four hundred eighty-nine million, nine hundred ninety-six thousand, six hundred sixty-nine".