85764180 has 24 divisors (see below), whose sum is σ = 240139872. Its totient is φ = 22870432.

The previous prime is 85764179. The next prime is 85764181. The reversal of 85764180 is 8146758.

It is an interprime number because it is at equal distance from previous prime (85764179) and next prime (85764181).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85764181) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 714642 + ... + 714761.

It is an arithmetic number, because the mean of its divisors is an integer number (10005828).

Almost surely, 2^85764180 is an apocalyptic number.

It is an amenable number.

85764180 is an abundant number, since it is smaller than the sum of its proper divisors (154375692).

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

85764180 is a wasteful number, since it uses less digits than its factorization.

85764180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429415 (or 1429413 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 85764180 is about 9260.8952051084. The cubic root of 85764180 is about 440.9966731718.

The spelling of 85764180 in words is "eighty-five million, seven hundred sixty-four thousand, one hundred eighty".