85420266 has 16 divisors (see below), whose sum is σ = 170933088. Its totient is φ = 28458000.

The previous prime is 85420241. The next prime is 85420277. The reversal of 85420266 is 66202458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16041 + ... + 20691.

It is an arithmetic number, because the mean of its divisors is an integer number (10683318).

Almost surely, 2^85420266 is an apocalyptic number.

85420266 is an abundant number, since it is smaller than the sum of its proper divisors (85512822).

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

85420266 is a wasteful number, since it uses less digits than its factorization.

85420266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 85420266 is about 9242.3084778642. The cubic root of 85420266 is about 440.4064185614.

The spelling of 85420266 in words is "eighty-five million, four hundred twenty thousand, two hundred sixty-six".