85248347 has 4 divisors (see below), whose sum is σ = 86327520. Its totient is φ = 84169176.

The previous prime is 85248337. The next prime is 85248349. The reversal of 85248347 is 74384258.

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 85248347 - 2¹⁴ = 85231963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85248349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539468 + ... + 539625.

It is an arithmetic number, because the mean of its divisors is an integer number (21581880).

Almost surely, 2^85248347 is an apocalyptic number.

85248347 is a deficient number, since it is larger than the sum of its proper divisors (1079173).

85248347 is a wasteful number, since it uses less digits than its factorization.

85248347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079172.

The product of its digits is 215040, while the sum is 41.

The square root of 85248347 is about 9233.0031409071. The cubic root of 85248347 is about 440.1107624044.

The spelling of 85248347 in words is "eighty-five million, two hundred forty-eight thousand, three hundred forty-seven".