85297467 has 4 divisors (see below), whose sum is σ = 113729960. Its totient is φ = 56864976.

The previous prime is 85297417. The next prime is 85297481. The reversal of 85297467 is 76479258.

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

It is not a de Polignac number, because 85297467 - 2¹⁸ = 85035323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85297417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14216242 + ... + 14216247.

It is an arithmetic number, because the mean of its divisors is an integer number (28432490).

Almost surely, 2^85297467 is an apocalyptic number.

85297467 is a deficient number, since it is larger than the sum of its proper divisors (28432493).

85297467 is a wasteful number, since it uses less digits than its factorization.

85297467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432492.

The product of its digits is 846720, while the sum is 48.

The square root of 85297467 is about 9235.6627807646. The cubic root of 85297467 is about 440.1952766134.

The spelling of 85297467 in words is "eighty-five million, two hundred ninety-seven thousand, four hundred sixty-seven".