85854489 has 8 divisors (see below), whose sum is σ = 130825920. Its totient is φ = 49059696.

The previous prime is 85854479. The next prime is 85854493. The reversal of 85854489 is 98445858.

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

It is not a de Polignac number, because 85854489 - 2⁷ = 85854361 is a prime.

It is a super-2 number, since 2×85854489² = 14741986562902242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85854479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044134 + ... + 2044175.

It is an arithmetic number, because the mean of its divisors is an integer number (16353240).

Almost surely, 2^85854489 is an apocalyptic number.

It is an amenable number.

85854489 is a deficient number, since it is larger than the sum of its proper divisors (44971431).

85854489 is a wasteful number, since it uses less digits than its factorization.

85854489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088319.

The product of its digits is 1843200, while the sum is 51.

The square root of 85854489 is about 9265.7697467615. The cubic root of 85854489 is about 441.1514075373.

The spelling of 85854489 in words is "eighty-five million, eight hundred fifty-four thousand, four hundred eighty-nine".