85363666 has 4 divisors (see below), whose sum is σ = 128045502. Its totient is φ = 42681832.

The previous prime is 85363651. The next prime is 85363667. The reversal of 85363666 is 66636358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85174441 + 189225 = 9229^2 + 435^2 .

It is not an unprimeable number, because it can be changed into a prime (85363667) 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 as a sum of consecutive naturals, namely, 21340915 + ... + 21340918.

Almost surely, 2^85363666 is an apocalyptic number.

85363666 is a deficient number, since it is larger than the sum of its proper divisors (42681836).

85363666 is a wasteful number, since it uses less digits than its factorization.

85363666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42681835.

The product of its digits is 466560, while the sum is 43.

The square root of 85363666 is about 9239.2459649043. The cubic root of 85363666 is about 440.3091250577.

The spelling of 85363666 in words is "eighty-five million, three hundred sixty-three thousand, six hundred sixty-six".