85266258 has 32 divisors (see below), whose sum is σ = 212613120. Its totient is φ = 22146960.

The previous prime is 85266257. The next prime is 85266289.

85266258 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85266253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91818 + ... + 92741.

It is an arithmetic number, because the mean of its divisors is an integer number (6644160).

Almost surely, 2^85266258 is an apocalyptic number.

85266258 is an abundant number, since it is smaller than the sum of its proper divisors (127346862).

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

85266258 is a wasteful number, since it uses less digits than its factorization.

85266258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184582.

The product of its digits is 230400, while the sum is 42.

The square root of 85266258 is about 9233.9730343986. The cubic root of 85266258 is about 440.1415832243.

The spelling of 85266258 in words is "eighty-five million, two hundred sixty-six thousand, two hundred fifty-eight".