85805229090852 has 36 divisors (see below), whose sum is σ = 216913686247440. Its totient is φ = 28599483478512.

The previous prime is 85805229090803. The next prime is 85805229090979. The reversal of 85805229090852 is 25809092250858.

85805229090852 is a `hidden beast` number, since 8 + 58 + 0 + 522 + 9 + 0 + 9 + 0 + 8 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 85805229090852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93685938 + ... + 94597385.

It is an arithmetic number, because the mean of its divisors is an integer number (6025380173540).

Almost surely, 2^{85805229090852} is an apocalyptic number.

It is an amenable number.

85805229090852 is an abundant number, since it is smaller than the sum of its proper divisors (131108457156588).

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

85805229090852 is a wasteful number, since it uses less digits than its factorization.

85805229090852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188295992 (or 188295987 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 85805229090852 in words is "eighty-five trillion, eight hundred five billion, two hundred twenty-nine million, ninety thousand, eight hundred fifty-two".