85134967 has 4 divisors (see below), whose sum is σ = 85163200. Its totient is φ = 85106736.

The previous prime is 85134949. The next prime is 85134971. The reversal of 85134967 is 76943158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85134967 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 (85134067) 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, 8967 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (21290800).

Almost surely, 2^85134967 is an apocalyptic number.

85134967 is a deficient number, since it is larger than the sum of its proper divisors (28233).

85134967 is a wasteful number, since it uses less digits than its factorization.

85134967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28232.

The product of its digits is 181440, while the sum is 43.

The square root of 85134967 is about 9226.8611672659. The cubic root of 85134967 is about 439.9155605871.

The spelling of 85134967 in words is "eighty-five million, one hundred thirty-four thousand, nine hundred sixty-seven".