85343905 has 8 divisors (see below), whose sum is σ = 102465000. Its totient is φ = 68240256.

The previous prime is 85343903. The next prime is 85343911. The reversal of 85343905 is 50934358.

It can be written as a sum of positive squares in 4 ways, for example, as 10556001 + 74787904 = 3249^2 + 8648^2 .

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 85343905 - 2¹ = 85343903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85343903) 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 7 ways as a sum of consecutive naturals, for example, 11971 + ... + 17719.

It is an arithmetic number, because the mean of its divisors is an integer number (12808125).

Almost surely, 2^85343905 is an apocalyptic number.

It is an amenable number.

85343905 is a deficient number, since it is larger than the sum of its proper divisors (17121095).

85343905 is a wasteful number, since it uses less digits than its factorization.

85343905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 85343905 is about 9238.1764975562. The cubic root of 85343905 is about 440.2751464322.

The spelling of 85343905 in words is "eighty-five million, three hundred forty-three thousand, nine hundred five".