85229952 has 32 divisors (see below), whose sum is σ = 226393080. Its totient is φ = 28409856.

The previous prime is 85229951. The next prime is 85229983. The reversal of 85229952 is 25992258.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85229951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110593 + ... + 111360.

Almost surely, 2^85229952 is an apocalyptic number.

It is an amenable number.

85229952 is an abundant number, since it is smaller than the sum of its proper divisors (141163128).

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

85229952 is a wasteful number, since it uses less digits than its factorization.

85229952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221970 (or 221958 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 85229952 is about 9232.0069324064. The cubic root of 85229952 is about 440.0791042349.

The spelling of 85229952 in words is "eighty-five million, two hundred twenty-nine thousand, nine hundred fifty-two".