104778443 has 8 divisors (see below), whose sum is σ = 130632960. Its totient is φ = 81645480.

The previous prime is 104778391. The next prime is 104778449. The reversal of 104778443 is 344877401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104778443 - 2⁶ = 104778379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104778397 and 104778406.

It is not an unprimeable number, because it can be changed into a prime (104778449) 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, 680303 + ... + 680456.

It is an arithmetic number, because the mean of its divisors is an integer number (16329120).

Almost surely, 2^104778443 is an apocalyptic number.

104778443 is a deficient number, since it is larger than the sum of its proper divisors (25854517).

104778443 is a wasteful number, since it uses less digits than its factorization.

104778443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360777.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 104778443 is about 10236.1341823952. The cubic root of 104778443 is about 471.4373427420.

The spelling of 104778443 in words is "one hundred four million, seven hundred seventy-eight thousand, four hundred forty-three".