85707286 has 8 divisors (see below), whose sum is σ = 146926800. Its totient is φ = 36731688.

The previous prime is 85707263. The next prime is 85707311. The reversal of 85707286 is 68270758.

It is a happy number.

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

It is a congruent number.

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, 3060961 + ... + 3060988.

It is an arithmetic number, because the mean of its divisors is an integer number (18365850).

Almost surely, 2^85707286 is an apocalyptic number.

85707286 is a deficient number, since it is larger than the sum of its proper divisors (61219514).

85707286 is a wasteful number, since it uses less digits than its factorization.

85707286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121958.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 85707286 is about 9257.8229622304. The cubic root of 85707286 is about 440.8991358906.

The spelling of 85707286 in words is "eighty-five million, seven hundred seven thousand, two hundred eighty-six".