854871897445 has 8 divisors (see below), whose sum is σ = 1038205871136. Its totient is φ = 675657788496.

The previous prime is 854871897433. The next prime is 854871897563. The reversal of 854871897445 is 544798178458.

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 854871897445 - 2⁵ = 854871897413 is a prime.

It is a super-2 number, since 2×854871897445² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029965727 + ... + 1029966556.

It is an arithmetic number, because the mean of its divisors is an integer number (129775733892).

Almost surely, 2^854871897445 is an apocalyptic number.

It is an amenable number.

854871897445 is a deficient number, since it is larger than the sum of its proper divisors (183333973691).

854871897445 is a wasteful number, since it uses less digits than its factorization.

854871897445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059932371.

The product of its digits is 361267200, while the sum is 70.

The spelling of 854871897445 in words is "eight hundred fifty-four billion, eight hundred seventy-one million, eight hundred ninety-seven thousand, four hundred forty-five".