4805697875985 has 24 divisors (see below), whose sum is σ = 8359948095720. Its totient is φ = 2553786012672.

The previous prime is 4805697875959. The next prime is 4805697875987. The reversal of 4805697875985 is 5895787965084.

4805697875985 is a `hidden beast` number, since 48 + 0 + 569 + 7 + 8 + 7 + 5 + 9 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 224869433616 + 4580828442369 = 474204^2 + 2140287^2 .

It is not a de Polignac number, because 4805697875985 - 2¹⁰ = 4805697874961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4805697875987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192755200 + ... + 192780129.

It is an arithmetic number, because the mean of its divisors is an integer number (348331170655).

Almost surely, 2^{4805697875985} is an apocalyptic number.

4805697875985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4805697875985 is a deficient number, since it is larger than the sum of its proper divisors (3554250219735).

4805697875985 is a wasteful number, since it uses less digits than its factorization.

4805697875985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385535617 (or 385535614 counting only the distinct ones).

The product of its (nonzero) digits is 6096384000, while the sum is 81.

The spelling of 4805697875985 in words is "four trillion, eight hundred five billion, six hundred ninety-seven million, eight hundred seventy-five thousand, nine hundred eighty-five".