85575966 has 16 divisors (see below), whose sum is σ = 195602304. Its totient is φ = 24450264.

The previous prime is 85575953. The next prime is 85575983. The reversal of 85575966 is 66957558.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1018720 + ... + 1018803.

It is an arithmetic number, because the mean of its divisors is an integer number (12225144).

Almost surely, 2^85575966 is an apocalyptic number.

85575966 is an abundant number, since it is smaller than the sum of its proper divisors (110026338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85575966 is a wasteful number, since it uses less digits than its factorization.

85575966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037535.

The product of its digits is 2268000, while the sum is 51.

The square root of 85575966 is about 9250.7278632549. The cubic root of 85575966 is about 440.6738401071.

The spelling of 85575966 in words is "eighty-five million, five hundred seventy-five thousand, nine hundred sixty-six".