85033905 has 16 divisors (see below), whose sum is σ = 148423104. Its totient is φ = 41228480.

The previous prime is 85033903. The next prime is 85033909. The reversal of 85033905 is 50933058.

It is not a de Polignac number, because 85033905 - 2¹ = 85033903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (85033901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257514 + ... + 257843.

It is an arithmetic number, because the mean of its divisors is an integer number (9276444).

Almost surely, 2^85033905 is an apocalyptic number.

It is an amenable number.

85033905 is a deficient number, since it is larger than the sum of its proper divisors (63389199).

85033905 is a wasteful number, since it uses less digits than its factorization.

85033905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515376.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 85033905 is about 9221.3830307606. The cubic root of 85033905 is about 439.7414200367.

The spelling of 85033905 in words is "eighty-five million, thirty-three thousand, nine hundred five".