85371089 has 8 divisors (see below), whose sum is σ = 86349120. Its totient is φ = 84396816.

The previous prime is 85371073. The next prime is 85371109. The reversal of 85371089 is 98017358.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85371089 - 2⁴ = 85371073 is a prime.

It is a super-3 number, since 3×85371089³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85371049) 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, 95804 + ... + 96690.

It is an arithmetic number, because the mean of its divisors is an integer number (10793640).

Almost surely, 2^85371089 is an apocalyptic number.

It is an amenable number.

85371089 is a deficient number, since it is larger than the sum of its proper divisors (978031).

85371089 is a wasteful number, since it uses less digits than its factorization.

85371089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 85371089 is about 9239.6476664427. The cubic root of 85371089 is about 440.3218873958.

The spelling of 85371089 in words is "eighty-five million, three hundred seventy-one thousand, eighty-nine".