85766938 has 8 divisors (see below), whose sum is σ = 136218132. Its totient is φ = 40360896.

The previous prime is 85766929. The next prime is 85766953. The reversal of 85766938 is 83966758.

It can be written as a sum of positive squares in 2 ways, for example, as 82573569 + 3193369 = 9087^2 + 1787^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1261245 + ... + 1261312.

Almost surely, 2^85766938 is an apocalyptic number.

85766938 is a deficient number, since it is larger than the sum of its proper divisors (50451194).

85766938 is a wasteful number, since it uses less digits than its factorization.

85766938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522576.

The product of its digits is 2177280, while the sum is 52.

The square root of 85766938 is about 9261.0441096023. The cubic root of 85766938 is about 441.0014003037.

The spelling of 85766938 in words is "eighty-five million, seven hundred sixty-six thousand, nine hundred thirty-eight".