85469933089 has 4 divisors (see below), whose sum is σ = 89968350640. Its totient is φ = 80971515540.

The previous prime is 85469933053. The next prime is 85469933093. The reversal of 85469933089 is 98033996458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85469933089 - 2¹⁷ = 85469802017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85469933089.

It is not an unprimeable number, because it can be changed into a prime (85469933099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249208747 + ... + 2249208784.

It is an arithmetic number, because the mean of its divisors is an integer number (22492087660).

Almost surely, 2^85469933089 is an apocalyptic number.

It is an amenable number.

85469933089 is a deficient number, since it is larger than the sum of its proper divisors (4498417551).

85469933089 is a wasteful number, since it uses less digits than its factorization.

85469933089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498417550.

The product of its (nonzero) digits is 50388480, while the sum is 64.

It can be divided in two parts, 854699 and 33089, that added together give a palindrome (887788).

The spelling of 85469933089 in words is "eighty-five billion, four hundred sixty-nine million, nine hundred thirty-three thousand, eighty-nine".