85302447 has 16 divisors (see below), whose sum is σ = 121012992. Its totient is φ = 53262720.

The previous prime is 85302439. The next prime is 85302463. The reversal of 85302447 is 74420358.

It is not a de Polignac number, because 85302447 - 2³ = 85302439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85302407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6798 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (7563312).

Almost surely, 2^85302447 is an apocalyptic number.

85302447 is a deficient number, since it is larger than the sum of its proper divisors (35710545).

85302447 is a wasteful number, since it uses less digits than its factorization.

85302447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 85302447 is about 9235.9323839015. The cubic root of 85302447 is about 440.2038432211.

The spelling of 85302447 in words is "eighty-five million, three hundred two thousand, four hundred forty-seven".