85898881 has 8 divisors (see below), whose sum is σ = 87621920. Its totient is φ = 84190752.

The previous prime is 85898873. The next prime is 85898893. The reversal of 85898881 is 18889858.

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 85898881 - 2³ = 85898873 is a prime.

It is a super-2 number, since 2×85898881² = 14757235514104322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85898801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8290 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (10952740).

Almost surely, 2^85898881 is an apocalyptic number.

It is an amenable number.

85898881 is a deficient number, since it is larger than the sum of its proper divisors (1723039).

85898881 is a wasteful number, since it uses less digits than its factorization.

85898881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455.

The product of its digits is 1474560, while the sum is 55.

The square root of 85898881 is about 9268.1649208460. The cubic root of 85898881 is about 441.2274284853.

The spelling of 85898881 in words is "eighty-five million, eight hundred ninety-eight thousand, eight hundred eighty-one".