85534859 has 4 divisors (see below), whose sum is σ = 88294080. Its totient is φ = 82775640.

The previous prime is 85534849. The next prime is 85534873. The reversal of 85534859 is 95843558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85534859 - 2⁴ = 85534843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85534819) 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 3 ways as a sum of consecutive naturals, for example, 1379564 + ... + 1379625.

It is an arithmetic number, because the mean of its divisors is an integer number (22073520).

Almost surely, 2^85534859 is an apocalyptic number.

85534859 is a deficient number, since it is larger than the sum of its proper divisors (2759221).

85534859 is a wasteful number, since it uses less digits than its factorization.

85534859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759220.

The product of its digits is 864000, while the sum is 47.

The square root of 85534859 is about 9248.5057712043. The cubic root of 85534859 is about 440.6032685760.

The spelling of 85534859 in words is "eighty-five million, five hundred thirty-four thousand, eight hundred fifty-nine".