85342319 has 4 divisors (see below), whose sum is σ = 89834040. Its totient is φ = 80850600.

The previous prime is 85342307. The next prime is 85342337. The reversal of 85342319 is 91324358.

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 85342319 - 2⁸ = 85342063 is a prime.

It is a super-2 number, since 2×85342319² = 14566622824595522, 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 (85342519) 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, 2245832 + ... + 2245869.

It is an arithmetic number, because the mean of its divisors is an integer number (22458510).

Almost surely, 2^85342319 is an apocalyptic number.

85342319 is a deficient number, since it is larger than the sum of its proper divisors (4491721).

85342319 is a wasteful number, since it uses less digits than its factorization.

85342319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491720.

The product of its digits is 25920, while the sum is 35.

The square root of 85342319 is about 9238.0906577063. The cubic root of 85342319 is about 440.2724191111.

The spelling of 85342319 in words is "eighty-five million, three hundred forty-two thousand, three hundred nineteen".