85044258 has 24 divisors (see below), whose sum is σ = 198437148. Its totient is φ = 26167392.

The previous prime is 85044221. The next prime is 85044259. The reversal of 85044258 is 85244058.

It can be written as a sum of positive squares in 2 ways, for example, as 79441569 + 5602689 = 8913^2 + 2367^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85044259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181485 + ... + 181952.

Almost surely, 2^85044258 is an apocalyptic number.

85044258 is an abundant number, since it is smaller than the sum of its proper divisors (113392890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85044258 is a wasteful number, since it uses less digits than its factorization.

85044258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363458 (or 363455 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 85044258 is about 9221.9443719858. The cubic root of 85044258 is about 439.7592656956.

The spelling of 85044258 in words is "eighty-five million, forty-four thousand, two hundred fifty-eight".