85694887180799 has 8 divisors (see below), whose sum is σ = 92286940072320. Its totient is φ = 79102854074016.

The previous prime is 85694887180751. The next prime is 85694887180841. The reversal of 85694887180799 is 99708178849658.

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 85694887180799 - 2²⁸ = 85694618745343 is a prime.

It is a super-2 number, since 2×85694887180799² (a number of 29 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 (85694887180709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754369 + ... + 13928165.

It is an arithmetic number, because the mean of its divisors is an integer number (11535867509040).

Almost surely, 2^{85694887180799} is an apocalyptic number.

85694887180799 is a deficient number, since it is larger than the sum of its proper divisors (6592052891521).

85694887180799 is a wasteful number, since it uses less digits than its factorization.

85694887180799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892369.

The product of its (nonzero) digits is 17557585920, while the sum is 89.

The spelling of 85694887180799 in words is "eighty-five trillion, six hundred ninety-four billion, eight hundred eighty-seven million, one hundred eighty thousand, seven hundred ninety-nine".