85680827 has 4 divisors (see below), whose sum is σ = 85719336. Its totient is φ = 85642320.

The previous prime is 85680821. The next prime is 85680841. The reversal of 85680827 is 72808658.

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

It is a cyclic number.

It is not a de Polignac number, because 85680827 - 2¹⁶ = 85615291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85680821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15698 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (21429834).

Almost surely, 2^85680827 is an apocalyptic number.

85680827 is a deficient number, since it is larger than the sum of its proper divisors (38509).

85680827 is a wasteful number, since it uses less digits than its factorization.

85680827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 85680827 is about 9256.3938442571. The cubic root of 85680827 is about 440.8537607093.

The spelling of 85680827 in words is "eighty-five million, six hundred eighty thousand, eight hundred twenty-seven".