85755740 has 96 divisors (see below), whose sum is σ = 219448320. Its totient is φ = 27495936.

The previous prime is 85755739. The next prime is 85755773. The reversal of 85755740 is 4755758.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 273824 + ... + 274136.

It is an arithmetic number, because the mean of its divisors is an integer number (2285920).

Almost surely, 2^85755740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85755740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109724160).

85755740 is an abundant number, since it is smaller than the sum of its proper divisors (133692580).

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

85755740 is a wasteful number, since it uses less digits than its factorization.

85755740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 85755740 is about 9260.4395144075. The cubic root of 85755740 is about 440.9822066271.

The spelling of 85755740 in words is "eighty-five million, seven hundred fifty-five thousand, seven hundred forty".