85040167 has 4 divisors (see below), whose sum is σ = 85065120. Its totient is φ = 85015216.

The previous prime is 85040159. The next prime is 85040173. The reversal of 85040167 is 76104058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76104058 = 2 ⋅38052029.

It is a cyclic number.

It is not a de Polignac number, because 85040167 - 2³ = 85040159 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 (85046167) 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, 6367 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (21266280).

Almost surely, 2^85040167 is an apocalyptic number.

85040167 is a deficient number, since it is larger than the sum of its proper divisors (24953).

85040167 is a wasteful number, since it uses less digits than its factorization.

85040167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 85040167 is about 9221.7225614307. The cubic root of 85040167 is about 439.7522141358.

The spelling of 85040167 in words is "eighty-five million, forty thousand, one hundred sixty-seven".