85428183167 has 4 divisors (see below), whose sum is σ = 85666145040. Its totient is φ = 85190221296.

The previous prime is 85428183163. The next prime is 85428183187. The reversal of 85428183167 is 76138182458.

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

It is a cyclic number.

It is not a de Polignac number, because 85428183167 - 2² = 85428183163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85428183163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118980398 + ... + 118981115.

It is an arithmetic number, because the mean of its divisors is an integer number (21416536260).

Almost surely, 2^85428183167 is an apocalyptic number.

85428183167 is a deficient number, since it is larger than the sum of its proper divisors (237961873).

85428183167 is a wasteful number, since it uses less digits than its factorization.

85428183167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237961872.

The product of its digits is 2580480, while the sum is 53.

The spelling of 85428183167 in words is "eighty-five billion, four hundred twenty-eight million, one hundred eighty-three thousand, one hundred sixty-seven".