85267319 has 4 divisors (see below), whose sum is σ = 85288080. Its totient is φ = 85246560.

The previous prime is 85267297. The next prime is 85267333. The reversal of 85267319 is 91376258.

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 85267319 - 2¹⁶ = 85201783 is a prime.

It is a super-2 number, since 2×85267319² = 14541031378895522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85267519) 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, 1922 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (21322020).

Almost surely, 2^85267319 is an apocalyptic number.

85267319 is a deficient number, since it is larger than the sum of its proper divisors (20761).

85267319 is a wasteful number, since it uses less digits than its factorization.

85267319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760.

The product of its digits is 90720, while the sum is 41.

The square root of 85267319 is about 9234.0304851132. The cubic root of 85267319 is about 440.1434088323.

The spelling of 85267319 in words is "eighty-five million, two hundred sixty-seven thousand, three hundred nineteen".