104784190939 has 4 divisors (see below), whose sum is σ = 104829890656. Its totient is φ = 104738491224.

The previous prime is 104784190919. The next prime is 104784190991. The reversal of 104784190939 is 939091487401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104784190939 - 2¹³ = 104784182747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104784190939.

It is not an unprimeable number, because it can be changed into a prime (104784190919) 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, 22846419 + ... + 22851004.

It is an arithmetic number, because the mean of its divisors is an integer number (26207472664).

Almost surely, 2^104784190939 is an apocalyptic number.

104784190939 is a deficient number, since it is larger than the sum of its proper divisors (45699717).

104784190939 is an equidigital number, since it uses as much as digits as its factorization.

104784190939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45699716.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 104784190939 in words is "one hundred four billion, seven hundred eighty-four million, one hundred ninety thousand, nine hundred thirty-nine".