85200000044 has 48 divisors (see below), whose sum is σ = 161007678720. Its totient is φ = 39328027200.

The previous prime is 85200000043. The next prime is 85200000059. The reversal of 85200000044 is 44000000258.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 85199999965 and 85200000019.

It is not an unprimeable number, because it can be changed into a prime (85200000043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10804127 + ... + 10812009.

It is an arithmetic number, because the mean of its divisors is an integer number (3354326640).

Almost surely, 2^85200000044 is an apocalyptic number.

It is an amenable number.

85200000044 is a deficient number, since it is larger than the sum of its proper divisors (75807678676).

85200000044 is a wasteful number, since it uses less digits than its factorization.

85200000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The spelling of 85200000044 in words is "eighty-five billion, two hundred million, forty-four", and thus it is an aban number.