85755380 has 12 divisors (see below), whose sum is σ = 180086340. Its totient is φ = 34302144.

The previous prime is 85755367. The next prime is 85755389. The reversal of 85755380 is 8355758.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 49056016 = 6058^2 + 7004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85755389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143865 + ... + 2143904.

It is an arithmetic number, because the mean of its divisors is an integer number (15007195).

Almost surely, 2^85755380 is an apocalyptic number.

It is an amenable number.

85755380 is an abundant number, since it is smaller than the sum of its proper divisors (94330960).

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

85755380 is a wasteful number, since it uses less digits than its factorization.

85755380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287778 (or 4287776 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 85755380 is about 9260.4200768648. The cubic root of 85755380 is about 440.9815895496.

The spelling of 85755380 in words is "eighty-five million, seven hundred fifty-five thousand, three hundred eighty".