85850424202 has 4 divisors (see below), whose sum is σ = 128775636306. Its totient is φ = 42925212100.

The previous prime is 85850424181. The next prime is 85850424203. The reversal of 85850424202 is 20242405858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67438376721 + 18412047481 = 259689^2 + 135691^2 .

It is not an unprimeable number, because it can be changed into a prime (85850424203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21462606049 + ... + 21462606052.

Almost surely, 2^85850424202 is an apocalyptic number.

85850424202 is a deficient number, since it is larger than the sum of its proper divisors (42925212104).

85850424202 is a wasteful number, since it uses less digits than its factorization.

85850424202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42925212103.

The product of its (nonzero) digits is 204800, while the sum is 40.

The spelling of 85850424202 in words is "eighty-five billion, eight hundred fifty million, four hundred twenty-four thousand, two hundred two".