85754220 has 48 divisors (see below), whose sum is σ = 252752640. Its totient is φ = 21663936.

The previous prime is 85754219. The next prime is 85754233. The reversal of 85754220 is 2245758.

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, 36472 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (5265680).

Almost surely, 2^85754220 is an apocalyptic number.

It is an amenable number.

85754220 is an abundant number, since it is smaller than the sum of its proper divisors (166998420).

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

85754220 is a wasteful number, since it uses less digits than its factorization.

85754220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75254 (or 75252 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 85754220 is about 9260.3574445050. The cubic root of 85754220 is about 440.9796011770.

Adding to 85754220 its reverse (2245758), we get a palindrome (87999978).

The spelling of 85754220 in words is "eighty-five million, seven hundred fifty-four thousand, two hundred twenty".