104387558673 has 4 divisors (see below), whose sum is σ = 139183411568. Its totient is φ = 69591705780.

The previous prime is 104387558651. The next prime is 104387558719. The reversal of 104387558673 is 376855783401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 104387558673 - 2⁵ = 104387558641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104387554673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17397926443 + ... + 17397926448.

It is an arithmetic number, because the mean of its divisors is an integer number (34795852892).

Almost surely, 2^104387558673 is an apocalyptic number.

It is an amenable number.

104387558673 is a deficient number, since it is larger than the sum of its proper divisors (34795852895).

104387558673 is an equidigital number, since it uses as much as digits as its factorization.

104387558673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34795852894.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 104387558673 in words is "one hundred four billion, three hundred eighty-seven million, five hundred fifty-eight thousand, six hundred seventy-three".