85408852 has 6 divisors (see below), whose sum is σ = 149465498. Its totient is φ = 42704424.

The previous prime is 85408849. The next prime is 85408871. The reversal of 85408852 is 25880458.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78783376 + 6625476 = 8876^2 + 2574^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10676103 + ... + 10676110.

Almost surely, 2^85408852 is an apocalyptic number.

It is an amenable number.

85408852 is a deficient number, since it is larger than the sum of its proper divisors (64056646).

85408852 is a wasteful number, since it uses less digits than its factorization.

85408852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352217 (or 21352215 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 85408852 is about 9241.6909708126. The cubic root of 85408852 is about 440.3868017382.

The spelling of 85408852 in words is "eighty-five million, four hundred eight thousand, eight hundred fifty-two".