104109786578 has 48 divisors (see below), whose sum is σ = 183535685784. Its totient is φ = 44160399360.

The previous prime is 104109786553. The next prime is 104109786611. The reversal of 104109786578 is 875687901401.

It is a happy number.

104109786578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99441207649 + 4668578929 = 315343^2 + 68327^2 .

It is a super-2 number, since 2×104109786578² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 3712088 + ... + 3740028.

Almost surely, 2^104109786578 is an apocalyptic number.

104109786578 is a deficient number, since it is larger than the sum of its proper divisors (79425899206).

104109786578 is a wasteful number, since it uses less digits than its factorization.

104109786578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28347 (or 28340 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 104109786578 in words is "one hundred four billion, one hundred nine million, seven hundred eighty-six thousand, five hundred seventy-eight".