85759147 has 4 divisors (see below), whose sum is σ = 85779000. Its totient is φ = 85739296.

The previous prime is 85759097. The next prime is 85759171. The reversal of 85759147 is 74195758.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85759147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85759097 and 85759106.

It is not an unprimeable number, because it can be changed into a prime (85759187) 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 3 ways as a sum of consecutive naturals, for example, 397 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (21444750).

It is a Poulet number, since it divides 2^85759146-1.

Almost surely, 2^85759147 is an apocalyptic number.

85759147 is a deficient number, since it is larger than the sum of its proper divisors (19853).

85759147 is a wasteful number, since it uses less digits than its factorization.

85759147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19852.

The product of its digits is 352800, while the sum is 46.

The square root of 85759147 is about 9260.6234671322. The cubic root of 85759147 is about 440.9880464946.

The spelling of 85759147 in words is "eighty-five million, seven hundred fifty-nine thousand, one hundred forty-seven".