85371866 has 16 divisors (see below), whose sum is σ = 130003488. Its totient is φ = 42042000.

The previous prime is 85371833. The next prime is 85371901. The reversal of 85371866 is 66817358.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41621 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (8125218).

Almost surely, 2^85371866 is an apocalyptic number.

85371866 is a deficient number, since it is larger than the sum of its proper divisors (44631622).

85371866 is a wasteful number, since it uses less digits than its factorization.

85371866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its digits is 241920, while the sum is 44.

The square root of 85371866 is about 9239.6897134049. The cubic root of 85371866 is about 440.3232232464.

The spelling of 85371866 in words is "eighty-five million, three hundred seventy-one thousand, eight hundred sixty-six".