85556167 has 4 divisors (see below), whose sum is σ = 85578480. Its totient is φ = 85533856.

The previous prime is 85556161. The next prime is 85556179. The reversal of 85556167 is 76165558.

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 85556167 - 2⁷ = 85556039 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 (85556161) 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, 3778 + ... + 13615.

It is an arithmetic number, because the mean of its divisors is an integer number (21394620).

Almost surely, 2^85556167 is an apocalyptic number.

85556167 is a deficient number, since it is larger than the sum of its proper divisors (22313).

85556167 is a wasteful number, since it uses less digits than its factorization.

85556167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22312.

The product of its digits is 252000, while the sum is 43.

The square root of 85556167 is about 9249.6576693411. The cubic root of 85556167 is about 440.6398524712.

The spelling of 85556167 in words is "eighty-five million, five hundred fifty-six thousand, one hundred sixty-seven".