85305525250 has 32 divisors (see below), whose sum is σ = 174209398272. Its totient is φ = 31020190000.

The previous prime is 85305525197. The next prime is 85305525257. The reversal of 85305525250 is 5252550358.

It is not an unprimeable number, because it can be changed into a prime (85305525257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15507346 + ... + 15512845.

It is an arithmetic number, because the mean of its divisors is an integer number (5444043696).

Almost surely, 2^85305525250 is an apocalyptic number.

85305525250 is an abundant number, since it is smaller than the sum of its proper divisors (88903873022).

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

85305525250 is a wasteful number, since it uses less digits than its factorization.

85305525250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31020219 (or 31020209 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 85305525250 in words is "eighty-five billion, three hundred five million, five hundred twenty-five thousand, two hundred fifty".