85755340 has 24 divisors (see below), whose sum is σ = 196458192. Its totient is φ = 31183680.

The previous prime is 85755337. The next prime is 85755347. The reversal of 85755340 is 4355758.

It is a self number, because there is not a number n which added to its sum of digits gives 85755340.

It is not an unprimeable number, because it can be changed into a prime (85755347) 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, 194679 + ... + 195118.

It is an arithmetic number, because the mean of its divisors is an integer number (8185758).

Almost surely, 2^85755340 is an apocalyptic number.

It is an amenable number.

85755340 is an abundant number, since it is smaller than the sum of its proper divisors (110702852).

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

85755340 is a wasteful number, since it uses less digits than its factorization.

85755340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389817 (or 389815 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 85755340 is about 9260.4179171353. The cubic root of 85755340 is about 440.9815209853.

The spelling of 85755340 in words is "eighty-five million, seven hundred fifty-five thousand, three hundred forty".