85570863 has 16 divisors (see below), whose sum is σ = 130669056. Its totient is φ = 48794400.

The previous prime is 85570829. The next prime is 85570867. The reversal of 85570863 is 36807558.

It is not a de Polignac number, because 85570863 - 2¹³ = 85562671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85570867) 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, 6513 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (8166816).

Almost surely, 2^85570863 is an apocalyptic number.

85570863 is a deficient number, since it is larger than the sum of its proper divisors (45098193).

85570863 is a wasteful number, since it uses less digits than its factorization.

85570863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8614.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 85570863 is about 9250.4520430085. The cubic root of 85570863 is about 440.6650806254.

The spelling of 85570863 in words is "eighty-five million, five hundred seventy thousand, eight hundred sixty-three".