104635985378 has 4 divisors (see below), whose sum is σ = 156953978070. Its totient is φ = 52317992688.

The previous prime is 104635985353. The next prime is 104635985417. The reversal of 104635985378 is 873589536401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60696698689 + 43939286689 = 246367^2 + 209617^2 .

It is a super-3 number, since 3×104635985378³ (a number of 34 digits) contains 333 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 as a sum of consecutive naturals, namely, 26158996343 + ... + 26158996346.

Almost surely, 2^104635985378 is an apocalyptic number.

104635985378 is a deficient number, since it is larger than the sum of its proper divisors (52317992692).

104635985378 is an equidigital number, since it uses as much as digits as its factorization.

104635985378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52317992691.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 104635985378 in words is "one hundred four billion, six hundred thirty-five million, nine hundred eighty-five thousand, three hundred seventy-eight".