104042778872 has 32 divisors (see below), whose sum is σ = 195981580080. Its totient is φ = 51781566720.

The previous prime is 104042778859. The next prime is 104042778893. The reversal of 104042778872 is 278877240401.

It is a self number, because there is not a number n which added to its sum of digits gives 104042778872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521203 + ... + 1588125.

Almost surely, 2^104042778872 is an apocalyptic number.

It is an amenable number.

104042778872 is a deficient number, since it is larger than the sum of its proper divisors (91938801208).

104042778872 is a wasteful number, since it uses less digits than its factorization.

104042778872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67823 (or 67819 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 50.

The spelling of 104042778872 in words is "one hundred four billion, forty-two million, seven hundred seventy-eight thousand, eight hundred seventy-two".