74773196985585 has 16 divisors (see below), whose sum is σ = 136728131630976. Its totient is φ = 34182032907648.

The previous prime is 74773196985559. The next prime is 74773196985589. The reversal of 74773196985585 is 58558969137747.

It is not a de Polignac number, because 74773196985585 - 2²¹ = 74773194888433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74773196985498 and 74773196985507.

It is not an unprimeable number, because it can be changed into a prime (74773196985589) 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, 356062842684 + ... + 356062842893.

It is an arithmetic number, because the mean of its divisors is an integer number (8545508226936).

Almost surely, 2^{74773196985585} is an apocalyptic number.

It is an amenable number.

74773196985585 is a deficient number, since it is larger than the sum of its proper divisors (61954934645391).

74773196985585 is a wasteful number, since it uses less digits than its factorization.

74773196985585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712125685592.

The product of its digits is 16003008000, while the sum is 84.

The spelling of 74773196985585 in words is "seventy-four trillion, seven hundred seventy-three billion, one hundred ninety-six million, nine hundred eighty-five thousand, five hundred eighty-five".