85266290 has 16 divisors (see below), whose sum is σ = 160152768. Its totient is φ = 32623536.

The previous prime is 85266289. The next prime is 85266299. The reversal of 85266290 is 9266258.

It is not an unprimeable number, because it can be changed into a prime (85266299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185132 + ... + 185591.

It is an arithmetic number, because the mean of its divisors is an integer number (10009548).

Almost surely, 2^85266290 is an apocalyptic number.

85266290 is a deficient number, since it is larger than the sum of its proper divisors (74886478).

85266290 is a wasteful number, since it uses less digits than its factorization.

85266290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370753.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 85266290 is about 9233.9747671303. The cubic root of 85266290 is about 440.1416382853.

The spelling of 85266290 in words is "eighty-five million, two hundred sixty-six thousand, two hundred ninety".