85857007 has 8 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 84790680.

The previous prime is 85857001. The next prime is 85857017. The reversal of 85857007 is 70075858.

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

It is a cyclic number.

It is not a de Polignac number, because 85857007 - 2⁷ = 85856879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85857001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27744 + ... + 30682.

It is an arithmetic number, because the mean of its divisors is an integer number (10866240).

Almost surely, 2^85857007 is an apocalyptic number.

85857007 is a deficient number, since it is larger than the sum of its proper divisors (1072913).

85857007 is a wasteful number, since it uses less digits than its factorization.

85857007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 85857007 is about 9265.9056222260. The cubic root of 85857007 is about 441.1557202932.

The spelling of 85857007 in words is "eighty-five million, eight hundred fifty-seven thousand, seven".