85232689 has 4 divisors (see below), whose sum is σ = 89718640. Its totient is φ = 80746740.

The previous prime is 85232681. The next prime is 85232699. The reversal of 85232689 is 98623258.

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 85232689 - 2³ = 85232681 is a prime.

It is a super-2 number, since 2×85232689² = 14529222548341442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85232681) 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, 2242947 + ... + 2242984.

It is an arithmetic number, because the mean of its divisors is an integer number (22429660).

Almost surely, 2^85232689 is an apocalyptic number.

It is an amenable number.

85232689 is a deficient number, since it is larger than the sum of its proper divisors (4485951).

85232689 is a wasteful number, since it uses less digits than its factorization.

85232689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485950.

The product of its digits is 207360, while the sum is 43.

The square root of 85232689 is about 9232.1551655071. The cubic root of 85232689 is about 440.0838149561.

The spelling of 85232689 in words is "eighty-five million, two hundred thirty-two thousand, six hundred eighty-nine".