85257332 has 48 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 38505600.

The previous prime is 85257331. The next prime is 85257373. The reversal of 85257332 is 23375258.

It is a junction number, because it is equal to n+sod(n) for n = 85257292 and 85257301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85257331) 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 15 ways as a sum of consecutive naturals, for example, 222413 + ... + 222795.

It is an arithmetic number, because the mean of its divisors is an integer number (3427200).

Almost surely, 2^85257332 is an apocalyptic number.

It is an amenable number.

85257332 is a deficient number, since it is larger than the sum of its proper divisors (79248268).

85257332 is a wasteful number, since it uses less digits than its factorization.

85257332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 85257332 is about 9233.4896978336. The cubic root of 85257332 is about 440.1262241168.

The spelling of 85257332 in words is "eighty-five million, two hundred fifty-seven thousand, three hundred thirty-two".