85449867 has 8 divisors (see below), whose sum is σ = 113978880. Its totient is φ = 56943720.

The previous prime is 85449851. The next prime is 85449887. The reversal of 85449867 is 76894458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85449867 - 2⁴ = 85449851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85449817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7134 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (14247360).

Almost surely, 2^85449867 is an apocalyptic number.

85449867 is a deficient number, since it is larger than the sum of its proper divisors (28529013).

85449867 is a wasteful number, since it uses less digits than its factorization.

85449867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433.

The product of its digits is 1935360, while the sum is 51.

The square root of 85449867 is about 9243.9097247864. The cubic root of 85449867 is about 440.4572845734.

It can be divided in two parts, 854 and 49867, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 85449867 in words is "eighty-five million, four hundred forty-nine thousand, eight hundred sixty-seven".