85784228247250 has 64 divisors (see below), whose sum is σ = 173240732377440. Its totient is φ = 31619281305600.

The previous prime is 85784228247241. The next prime is 85784228247271. The reversal of 85784228247250 is 5274282248758.

It can be written as a sum of positive squares in 16 ways, for example, as 3636126500769 + 82148101746481 = 1906863^2 + 9063559^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20997495 + ... + 24747994.

Almost surely, 2^{85784228247250} is an apocalyptic number.

85784228247250 is an abundant number, since it is smaller than the sum of its proper divisors (87456504130190).

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

85784228247250 is a wasteful number, since it uses less digits than its factorization.

85784228247250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45746096 (or 45746086 counting only the distinct ones).

The product of its (nonzero) digits is 160563200, while the sum is 64.

The spelling of 85784228247250 in words is "eighty-five trillion, seven hundred eighty-four billion, two hundred twenty-eight million, two hundred forty-seven thousand, two hundred fifty".