104383785923920 has 80 divisors (see below), whose sum is σ = 255470638832640. Its totient is φ = 39555177887232.

The previous prime is 104383785923917. The next prime is 104383785923927. The reversal of 104383785923920 is 29329587383401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104383785923927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79211862 + ... + 80518858.

It is an arithmetic number, because the mean of its divisors is an integer number (3193382985408).

Almost surely, 2^{104383785923920} is an apocalyptic number.

104383785923920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104383785923920 is an abundant number, since it is smaller than the sum of its proper divisors (151086852908720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104383785923920 is a wasteful number, since it uses less digits than its factorization.

104383785923920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359572 (or 1359566 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 104383785923920 in words is "one hundred four trillion, three hundred eighty-three billion, seven hundred eighty-five million, nine hundred twenty-three thousand, nine hundred twenty".