104778444 has 48 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 33936000.

The previous prime is 104778391. The next prime is 104778449. The reversal of 104778444 is 444877401.

It is a super-2 number, since 2×104778444² = 21957044654122272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 129112 + ... + 129920.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^104778444 is an apocalyptic number.

It is an amenable number.

104778444 is an abundant number, since it is smaller than the sum of its proper divisors (146697396).

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

104778444 is a wasteful number, since it uses less digits than its factorization.

104778444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 104778444 is about 10236.1342312418. The cubic root of 104778444 is about 471.4373442418.

The spelling of 104778444 in words is "one hundred four million, seven hundred seventy-eight thousand, four hundred forty-four".