85858541147172 has 48 divisors (see below), whose sum is σ = 200381780587520. Its totient is φ = 28613059386912.

The previous prime is 85858541147153. The next prime is 85858541147177. The reversal of 85858541147172 is 27174114585858.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85858541147177) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2046227529 + ... + 2046269487.

Almost surely, 2^{85858541147172} is an apocalyptic number.

It is an amenable number.

85858541147172 is an abundant number, since it is smaller than the sum of its proper divisors (114523239440348).

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

85858541147172 is a wasteful number, since it uses less digits than its factorization.

85858541147172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76360 (or 76358 counting only the distinct ones).

The product of its digits is 100352000, while the sum is 66.

The spelling of 85858541147172 in words is "eighty-five trillion, eight hundred fifty-eight billion, five hundred forty-one million, one hundred forty-seven thousand, one hundred seventy-two".