85663613167 has 4 divisors (see below), whose sum is σ = 93451214376. Its totient is φ = 77876011960.

The previous prime is 85663613159. The next prime is 85663613227. The reversal of 85663613167 is 76131636658.

It is a happy number.

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 85663613167 - 2³ = 85663613159 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 (85663617167) 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, 3893800588 + ... + 3893800609.

It is an arithmetic number, because the mean of its divisors is an integer number (23362803594).

Almost surely, 2^85663613167 is an apocalyptic number.

85663613167 is a deficient number, since it is larger than the sum of its proper divisors (7787601209).

85663613167 is a wasteful number, since it uses less digits than its factorization.

85663613167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787601208.

The product of its digits is 3265920, while the sum is 52.

The spelling of 85663613167 in words is "eighty-five billion, six hundred sixty-three million, six hundred thirteen thousand, one hundred sixty-seven".