85198266 has 12 divisors (see below), whose sum is σ = 184596282. Its totient is φ = 28399416.

The previous prime is 85198249. The next prime is 85198283. The reversal of 85198266 is 66289158.

It is an interprime number because it is at equal distance from previous prime (85198249) and next prime (85198283).

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 6610041 = 8865^2 + 2571^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2366601 + ... + 2366636.

Almost surely, 2^85198266 is an apocalyptic number.

85198266 is an abundant number, since it is smaller than the sum of its proper divisors (99398016).

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

85198266 is a wasteful number, since it uses less digits than its factorization.

85198266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733245 (or 4733242 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 85198266 is about 9230.2906779798. The cubic root of 85198266 is about 440.0245613011.

The spelling of 85198266 in words is "eighty-five million, one hundred ninety-eight thousand, two hundred sixty-six".