854693163257 has 16 divisors (see below), whose sum is σ = 865357624320. Its totient is φ = 844099978752.

The previous prime is 854693163227. The next prime is 854693163263. The reversal of 854693163257 is 752361396458.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854693163257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 854693163196 and 854693163205.

It is not an unprimeable number, because it can be changed into a prime (854693163227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63130793 + ... + 63144329.

It is an arithmetic number, because the mean of its divisors is an integer number (54084851520).

Almost surely, 2^854693163257 is an apocalyptic number.

It is an amenable number.

854693163257 is a deficient number, since it is larger than the sum of its proper divisors (10664461063).

854693163257 is a wasteful number, since it uses less digits than its factorization.

854693163257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16112.

The product of its digits is 32659200, while the sum is 59.

The spelling of 854693163257 in words is "eight hundred fifty-four billion, six hundred ninety-three million, one hundred sixty-three thousand, two hundred fifty-seven".