44844447878 has 8 divisors (see below), whose sum is σ = 67273862880. Its totient is φ = 22419826920.

The previous prime is 44844447829. The next prime is 44844447911. The reversal of 44844447878 is 87874444844.

It is a happy number.

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

It is a super-2 number, since 2×44844447878² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44844447878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175033 + ... + 1212596.

It is an arithmetic number, because the mean of its divisors is an integer number (8409232860).

Almost surely, 2^44844447878 is an apocalyptic number.

44844447878 is a deficient number, since it is larger than the sum of its proper divisors (22429415002).

44844447878 is a wasteful number, since it uses less digits than its factorization.

44844447878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397022.

The product of its digits is 102760448, while the sum is 62.

The spelling of 44844447878 in words is "forty-four billion, eight hundred forty-four million, four hundred forty-seven thousand, eight hundred seventy-eight".