85853715 has 16 divisors (see below), whose sum is σ = 137604768. Its totient is φ = 45709056.

The previous prime is 85853711. The next prime is 85853731. The reversal of 85853715 is 51735858.

It is a happy number.

It is not a de Polignac number, because 85853715 - 2² = 85853711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85853711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527 + ... + 13863.

It is an arithmetic number, because the mean of its divisors is an integer number (8600298).

Almost surely, 2^85853715 is an apocalyptic number.

85853715 is a deficient number, since it is larger than the sum of its proper divisors (51751053).

85853715 is a wasteful number, since it uses less digits than its factorization.

85853715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958.

The product of its digits is 168000, while the sum is 42.

The square root of 85853715 is about 9265.7279800348. The cubic root of 85853715 is about 441.1500818360.

It can be divided in two parts, 85853 and 715, that added together give a palindrome (86568).

The spelling of 85853715 in words is "eighty-five million, eight hundred fifty-three thousand, seven hundred fifteen".