85854688057 has 8 divisors (see below), whose sum is σ = 86182046720. Its totient is φ = 85527407520.

The previous prime is 85854688027. The next prime is 85854688061. The reversal of 85854688057 is 75088645858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85854688057 is a prime.

It is a super-2 number, since 2×85854688057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85854688057.

It is not an unprimeable number, because it can be changed into a prime (85854688027) 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, 3154168 + ... + 3181270.

It is an arithmetic number, because the mean of its divisors is an integer number (10772755840).

Almost surely, 2^85854688057 is an apocalyptic number.

It is an amenable number.

85854688057 is a deficient number, since it is larger than the sum of its proper divisors (327358663).

85854688057 is a wasteful number, since it uses less digits than its factorization.

85854688057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39063.

The product of its (nonzero) digits is 86016000, while the sum is 64.

The spelling of 85854688057 in words is "eighty-five billion, eight hundred fifty-four million, six hundred eighty-eight thousand, fifty-seven".