104878778720 has 24 divisors (see below), whose sum is σ = 247776115104. Its totient is φ = 41951511424.

The previous prime is 104878778707. The next prime is 104878778749. The reversal of 104878778720 is 27877878401.

It is a happy number.

104878778720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 104878778720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327746024 + ... + 327746343.

It is an arithmetic number, because the mean of its divisors is an integer number (10324004796).

Almost surely, 2^104878778720 is an apocalyptic number.

104878778720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104878778720 is an abundant number, since it is smaller than the sum of its proper divisors (142897336384).

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

104878778720 is an equidigital number, since it uses as much as digits as its factorization.

104878778720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655492382 (or 655492374 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 59.

The spelling of 104878778720 in words is "one hundred four billion, eight hundred seventy-eight million, seven hundred seventy-eight thousand, seven hundred twenty".