85419359 has 4 divisors (see below), whose sum is σ = 87502800. Its totient is φ = 83335920.

The previous prime is 85419349. The next prime is 85419361. The reversal of 85419359 is 95391458.

It is a happy number.

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 85419359 - 2¹² = 85415263 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 (85419329) 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, 1041659 + ... + 1041740.

It is an arithmetic number, because the mean of its divisors is an integer number (21875700).

Almost surely, 2^85419359 is an apocalyptic number.

85419359 is a deficient number, since it is larger than the sum of its proper divisors (2083441).

85419359 is a wasteful number, since it uses less digits than its factorization.

85419359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083440.

The product of its digits is 194400, while the sum is 44.

The square root of 85419359 is about 9242.2594099062. The cubic root of 85419359 is about 440.4048597977.

The spelling of 85419359 in words is "eighty-five million, four hundred nineteen thousand, three hundred fifty-nine".