85651266 has 32 divisors (see below), whose sum is σ = 173467008. Its totient is φ = 28192640.

The previous prime is 85651261. The next prime is 85651289. The reversal of 85651266 is 66215658.

It is a super-2 number, since 2×85651266² = 14672278734805512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85651261) 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, 275251 + ... + 275561.

It is an arithmetic number, because the mean of its divisors is an integer number (5420844).

Almost surely, 2^85651266 is an apocalyptic number.

85651266 is an abundant number, since it is smaller than the sum of its proper divisors (87815742).

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

85651266 is a wasteful number, since it uses less digits than its factorization.

85651266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its digits is 86400, while the sum is 39.

The square root of 85651266 is about 9254.7969183554. The cubic root of 85651266 is about 440.8030547832.

The spelling of 85651266 in words is "eighty-five million, six hundred fifty-one thousand, two hundred sixty-six".