85263330 has 64 divisors (see below), whose sum is σ = 223699968. Its totient is φ = 20705280.

The previous prime is 85263307. The next prime is 85263349. The reversal of 85263330 is 3336258.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a nialpdrome in base 15.

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 31 ways as a sum of consecutive naturals, for example, 13114 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (3495312).

Almost surely, 2^85263330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85263330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111849984).

85263330 is an abundant number, since it is smaller than the sum of its proper divisors (138436638).

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

85263330 is a wasteful number, since it uses less digits than its factorization.

85263330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 85263330 is about 9233.8144880650. The cubic root of 85263330 is about 440.1365450872.

Adding to 85263330 its reverse (3336258), we get a palindrome (88599588).

The spelling of 85263330 in words is "eighty-five million, two hundred sixty-three thousand, three hundred thirty".