85315906 has 32 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 37800000.

The previous prime is 85315897. The next prime is 85315921. The reversal of 85315906 is 60951358.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 121356 + ... + 122056.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^85315906 is an apocalyptic number.

85315906 is a deficient number, since it is larger than the sum of its proper divisors (58094270).

85315906 is a wasteful number, since it uses less digits than its factorization.

85315906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 85315906 is about 9236.6609767816. The cubic root of 85315906 is about 440.2269937565.

The spelling of 85315906 in words is "eighty-five million, three hundred fifteen thousand, nine hundred six".