104378917780 has 24 divisors (see below), whose sum is σ = 232089594408. Its totient is φ = 39295592448.

The previous prime is 104378917771. The next prime is 104378917787. The reversal of 104378917780 is 87719873401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38027340036 + 66351577744 = 195006^2 + 257588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104378917787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153498069 + ... + 153498748.

It is an arithmetic number, because the mean of its divisors is an integer number (9670399767).

Almost surely, 2^104378917780 is an apocalyptic number.

104378917780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104378917780 is an abundant number, since it is smaller than the sum of its proper divisors (127710676628).

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

104378917780 is a wasteful number, since it uses less digits than its factorization.

104378917780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306996843 (or 306996841 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 104378917780 in words is "one hundred four billion, three hundred seventy-eight million, nine hundred seventeen thousand, seven hundred eighty".