104780426381 has 12 divisors (see below), whose sum is σ = 113406682932. Its totient is φ = 96756162048.

The previous prime is 104780426351. The next prime is 104780426393. The reversal of 104780426381 is 183624087401.

It can be written as a sum of positive squares in 6 ways, for example, as 413308900 + 104367117481 = 20330^2 + 323059^2 .

It is not a de Polignac number, because 104780426381 - 2¹⁰ = 104780425357 is a prime.

It is a super-3 number, since 3×104780426381³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104780426341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405080 + ... + 3435713.

It is an arithmetic number, because the mean of its divisors is an integer number (9450556911).

Almost surely, 2^104780426381 is an apocalyptic number.

It is an amenable number.

104780426381 is a deficient number, since it is larger than the sum of its proper divisors (8626256551).

104780426381 is an equidigital number, since it uses as much as digits as its factorization.

104780426381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840880 (or 6840863 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 104780426381 in words is "one hundred four billion, seven hundred eighty million, four hundred twenty-six thousand, three hundred eighty-one".