85188052050 has 48 divisors (see below), whose sum is σ = 220451872320. Its totient is φ = 21729125440.

The previous prime is 85188052031. The next prime is 85188052093. The reversal of 85188052050 is 5025088158.

It is a junction number, because it is equal to n+sod(n) for n = 85188051993 and 85188052011.

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 23 ways as a sum of consecutive naturals, for example, 12342645 + ... + 12349544.

It is an arithmetic number, because the mean of its divisors is an integer number (4592747340).

Almost surely, 2^85188052050 is an apocalyptic number.

85188052050 is an abundant number, since it is smaller than the sum of its proper divisors (135263820270).

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

85188052050 is a wasteful number, since it uses less digits than its factorization.

85188052050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692227 (or 24692222 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 42.

The spelling of 85188052050 in words is "eighty-five billion, one hundred eighty-eight million, fifty-two thousand, fifty".