85855764 has 48 divisors (see below), whose sum is σ = 203504000. Its totient is φ = 28169856.

The previous prime is 85855751. The next prime is 85855789. The reversal of 85855764 is 46755858.

It is a congruent number.

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, 374802 + ... + 375030.

Almost surely, 2^85855764 is an apocalyptic number.

It is an amenable number.

85855764 is an abundant number, since it is smaller than the sum of its proper divisors (117648236).

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

85855764 is a wasteful number, since it uses less digits than its factorization.

85855764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 85855764 is about 9265.8385481294. The cubic root of 85855764 is about 441.1535913301.

The spelling of 85855764 in words is "eighty-five million, eight hundred fifty-five thousand, seven hundred sixty-four".