862572085 has 16 divisors (see below), whose sum is σ = 1090992240. Its totient is φ = 653685760.

The previous prime is 862572071. The next prime is 862572097. The reversal of 862572085 is 580275268.

It can be written as a sum of positive squares in 8 ways, for example, as 154107396 + 708464689 = 12414^2 + 26617^2 .

It is not a de Polignac number, because 862572085 - 2⁹ = 862571573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48436 + ... + 63805.

It is an arithmetic number, because the mean of its divisors is an integer number (68187015).

Almost surely, 2^862572085 is an apocalyptic number.

It is an amenable number.

862572085 is a deficient number, since it is larger than the sum of its proper divisors (228420155).

862572085 is a wasteful number, since it uses less digits than its factorization.

862572085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112328.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 862572085 is about 29369.5775420757. The cubic root of 862572085 is about 951.9156488624.

The spelling of 862572085 in words is "eight hundred sixty-two million, five hundred seventy-two thousand, eighty-five".