44121779 has 8 divisors (see below), whose sum is σ = 47592720. Its totient is φ = 40661856.

The previous prime is 44121761. The next prime is 44121799. The reversal of 44121779 is 97712144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44121779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44121719) 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, 6824 + ... + 11610.

It is an arithmetic number, because the mean of its divisors is an integer number (5949090).

Almost surely, 2^44121779 is an apocalyptic number.

44121779 is a deficient number, since it is larger than the sum of its proper divisors (3470941).

44121779 is a wasteful number, since it uses less digits than its factorization.

44121779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509.

The product of its digits is 14112, while the sum is 35.

The square root of 44121779 is about 6642.4226755003. The cubic root of 44121779 is about 353.3602322190.

The spelling of 44121779 in words is "forty-four million, one hundred twenty-one thousand, seven hundred seventy-nine".