85166678 has 8 divisors (see below), whose sum is σ = 132155280. Its totient is φ = 41114920.

The previous prime is 85166671. The next prime is 85166693. The reversal of 85166678 is 87666158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85166671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734138 + ... + 734253.

It is an arithmetic number, because the mean of its divisors is an integer number (16519410).

Almost surely, 2^85166678 is an apocalyptic number.

85166678 is a deficient number, since it is larger than the sum of its proper divisors (46988602).

85166678 is a wasteful number, since it uses less digits than its factorization.

85166678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468422.

The product of its digits is 483840, while the sum is 47.

The square root of 85166678 is about 9228.5794139727. The cubic root of 85166678 is about 439.9701735980.

The spelling of 85166678 in words is "eighty-five million, one hundred sixty-six thousand, six hundred seventy-eight".