85122866 has 8 divisors (see below), whose sum is σ = 131135340. Its totient is φ = 41411088.

The previous prime is 85122853. The next prime is 85122871. The reversal of 85122866 is 66822158.

It can be written as a sum of positive squares in 2 ways, for example, as 84364225 + 758641 = 9185^2 + 871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575081 + ... + 575228.

Almost surely, 2^85122866 is an apocalyptic number.

85122866 is a deficient number, since it is larger than the sum of its proper divisors (46012474).

85122866 is a wasteful number, since it uses less digits than its factorization.

85122866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150348.

The product of its digits is 46080, while the sum is 38.

The square root of 85122866 is about 9226.2053955025. The cubic root of 85122866 is about 439.8947165453.

The spelling of 85122866 in words is "eighty-five million, one hundred twenty-two thousand, eight hundred sixty-six".