85018347 has 12 divisors (see below), whose sum is σ = 125417760. Its totient is φ = 55472688.

The previous prime is 85018321. The next prime is 85018361. The reversal of 85018347 is 74381058.

It is not a de Polignac number, because 85018347 - 2⁸ = 85018091 is a prime.

It is a super-2 number, since 2×85018347² = 14456238653224818, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85018397) 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 11 ways as a sum of consecutive naturals, for example, 100072 + ... + 100917.

It is an arithmetic number, because the mean of its divisors is an integer number (10451480).

Almost surely, 2^85018347 is an apocalyptic number.

85018347 is a deficient number, since it is larger than the sum of its proper divisors (40399413).

85018347 is a wasteful number, since it uses less digits than its factorization.

85018347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201042 (or 201039 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85018347 is about 9220.5394093838. The cubic root of 85018347 is about 439.7145996984.

The spelling of 85018347 in words is "eighty-five million, eighteen thousand, three hundred forty-seven".