78058307505585 has 192 divisors, whose sum is σ = 143896917491712. Its totient is φ = 36060361920000.

The previous prime is 78058307505583. The next prime is 78058307505589. The reversal of 78058307505585 is 58550570385087.

It is not a de Polignac number, because 78058307505585 - 2¹ = 78058307505583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78058307505583) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9616640947 + ... + 9616649063.

It is an arithmetic number, because the mean of its divisors is an integer number (749463111936).

Almost surely, 2^{78058307505585} is an apocalyptic number.

It is an amenable number.

78058307505585 is a deficient number, since it is larger than the sum of its proper divisors (65838609986127).

78058307505585 is a wasteful number, since it uses less digits than its factorization.

78058307505585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10796 (or 10785 counting only the distinct ones).

The product of its (nonzero) digits is 235200000, while the sum is 66.

The spelling of 78058307505585 in words is "seventy-eight trillion, fifty-eight billion, three hundred seven million, five hundred five thousand, five hundred eighty-five".