84915345 has 16 divisors (see below), whose sum is σ = 137393280. Its totient is φ = 44778624.

The previous prime is 84915343. The next prime is 84915367. The reversal of 84915345 is 54351948.

It is not a de Polignac number, because 84915345 - 2¹ = 84915343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84915343) 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 15 ways as a sum of consecutive naturals, for example, 30469 + ... + 33138.

It is an arithmetic number, because the mean of its divisors is an integer number (8587080).

Almost surely, 2^84915345 is an apocalyptic number.

It is an amenable number.

84915345 is a deficient number, since it is larger than the sum of its proper divisors (52477935).

84915345 is a wasteful number, since it uses less digits than its factorization.

84915345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63704.

The product of its digits is 86400, while the sum is 39.

The square root of 84915345 is about 9214.9522516397. The cubic root of 84915345 is about 439.5369526072.

The spelling of 84915345 in words is "eighty-four million, nine hundred fifteen thousand, three hundred forty-five".