853252785071 has 32 divisors (see below), whose sum is σ = 926448122880. Its totient is φ = 783667298304.

The previous prime is 853252785067. The next prime is 853252785089. The reversal of 853252785071 is 170587252358.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 853252785071 - 2² = 853252785067 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 (853252785571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69426095 + ... + 69438383.

It is an arithmetic number, because the mean of its divisors is an integer number (28951503840).

Almost surely, 2^853252785071 is an apocalyptic number.

853252785071 is a deficient number, since it is larger than the sum of its proper divisors (73195337809).

853252785071 is a wasteful number, since it uses less digits than its factorization.

853252785071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 4704000, while the sum is 53.

The spelling of 853252785071 in words is "eight hundred fifty-three billion, two hundred fifty-two million, seven hundred eighty-five thousand, seventy-one".