7994516904585 has 24 divisors (see below), whose sum is σ = 14195142214344. Its totient is φ = 4159748632320.

The previous prime is 7994516904547. The next prime is 7994516904587. The reversal of 7994516904585 is 5854096154997.

7994516904585 is a `hidden beast` number, since 7 + 9 + 9 + 4 + 5 + 169 + 0 + 458 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24662817936 + 7969854086649 = 157044^2 + 2823093^2 .

It is not a de Polignac number, because 7994516904585 - 2¹³ = 7994516896393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7994516904587) 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, 2166533902 + ... + 2166537591.

It is an arithmetic number, because the mean of its divisors is an integer number (591464258931).

Almost surely, 2^{7994516904585} is an apocalyptic number.

It is an amenable number.

7994516904585 is a deficient number, since it is larger than the sum of its proper divisors (6200625309759).

7994516904585 is a wasteful number, since it uses less digits than its factorization.

7994516904585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333071545 (or 4333071542 counting only the distinct ones).

The product of its (nonzero) digits is 489888000, while the sum is 72.

The spelling of 7994516904585 in words is "seven trillion, nine hundred ninety-four billion, five hundred sixteen million, nine hundred four thousand, five hundred eighty-five".