85889361 has 16 divisors (see below), whose sum is σ = 118514880. Its totient is φ = 55292160.

The previous prime is 85889357. The next prime is 85889369. The reversal of 85889361 is 16398858.

It is not a de Polignac number, because 85889361 - 2² = 85889357 is a prime.

It is a super-3 number, since 3×85889361³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85889361.

It is not an unprimeable number, because it can be changed into a prime (85889369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7741 + ... + 15221.

It is an arithmetic number, because the mean of its divisors is an integer number (7407180).

Almost surely, 2^85889361 is an apocalyptic number.

It is an amenable number.

85889361 is a deficient number, since it is larger than the sum of its proper divisors (32625519).

85889361 is a wasteful number, since it uses less digits than its factorization.

85889361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616.

The product of its digits is 414720, while the sum is 48.

The square root of 85889361 is about 9267.6513205882. The cubic root of 85889361 is about 441.2111277673.

The spelling of 85889361 in words is "eighty-five million, eight hundred eighty-nine thousand, three hundred sixty-one".