85047319 has 8 divisors (see below), whose sum is σ = 97760160. Its totient is φ = 72475296.

The previous prime is 85047293. The next prime is 85047323. The reversal of 85047319 is 91374058.

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

It is a cyclic number.

It is not a de Polignac number, because 85047319 - 2⁷ = 85047191 is a prime.

It is a super-2 number, since 2×85047319² = 14466092938175522, 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 (85047329) 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, 33904 + ... + 36325.

It is an arithmetic number, because the mean of its divisors is an integer number (12220020).

Almost surely, 2^85047319 is an apocalyptic number.

85047319 is a deficient number, since it is larger than the sum of its proper divisors (12712841).

85047319 is a wasteful number, since it uses less digits than its factorization.

85047319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70409.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 85047319 is about 9222.1103333239. The cubic root of 85047319 is about 439.7645417208.

The spelling of 85047319 in words is "eighty-five million, forty-seven thousand, three hundred nineteen".