85571036869 has 8 divisors (see below), whose sum is σ = 86394704832. Its totient is φ = 84748534080.

The previous prime is 85571036857. The next prime is 85571036879. The reversal of 85571036869 is 96863017558.

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 85571036869 - 2³³ = 76981102277 is a prime.

It is a super-2 number, since 2×85571036869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85571036879) 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, 143347 + ... + 437824.

It is an arithmetic number, because the mean of its divisors is an integer number (10799338104).

Almost surely, 2^85571036869 is an apocalyptic number.

It is an amenable number.

85571036869 is a deficient number, since it is larger than the sum of its proper divisors (823667963).

85571036869 is a wasteful number, since it uses less digits than its factorization.

85571036869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582587.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 85571036869 in words is "eighty-five billion, five hundred seventy-one million, thirty-six thousand, eight hundred sixty-nine".