85567853539 has 8 divisors (see below), whose sum is σ = 97794776160. Its totient is φ = 73341666816.

The previous prime is 85567853537. The next prime is 85567853543. The reversal of 85567853539 is 93535876558.

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 85567853539 - 2¹ = 85567853537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85567853537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92997 + ... + 424009.

It is an arithmetic number, because the mean of its divisors is an integer number (12224347020).

Almost surely, 2^85567853539 is an apocalyptic number.

85567853539 is a deficient number, since it is larger than the sum of its proper divisors (12226922621).

85567853539 is a wasteful number, since it uses less digits than its factorization.

85567853539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367949.

The product of its digits is 136080000, while the sum is 64.

The spelling of 85567853539 in words is "eighty-five billion, five hundred sixty-seven million, eight hundred fifty-three thousand, five hundred thirty-nine".