85146687 has 8 divisors (see below), whose sum is σ = 126143280. Its totient is φ = 56764440.

The previous prime is 85146661. The next prime is 85146707. The reversal of 85146687 is 78664158.

It is a happy number.

It is not a de Polignac number, because 85146687 - 2⁶ = 85146623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85146637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576764 + ... + 1576817.

It is an arithmetic number, because the mean of its divisors is an integer number (15767910).

Almost surely, 2^85146687 is an apocalyptic number.

85146687 is a deficient number, since it is larger than the sum of its proper divisors (40996593).

85146687 is a wasteful number, since it uses less digits than its factorization.

85146687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153590 (or 3153584 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85146687 is about 9227.4962476286. The cubic root of 85146687 is about 439.9357464715.

The spelling of 85146687 in words is "eighty-five million, one hundred forty-six thousand, six hundred eighty-seven".