44779561 has 8 divisors (see below), whose sum is σ = 47253920. Its totient is φ = 42316992.

The previous prime is 44779519. The next prime is 44779573. The reversal of 44779561 is 16597744.

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

It is a cyclic number.

It is not a de Polignac number, because 44779561 - 2⁷ = 44779433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44779261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5506 + ... + 10948.

It is an arithmetic number, because the mean of its divisors is an integer number (5906740).

Almost surely, 2^44779561 is an apocalyptic number.

It is an amenable number.

44779561 is a deficient number, since it is larger than the sum of its proper divisors (2474359).

44779561 is a wasteful number, since it uses less digits than its factorization.

44779561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895.

The product of its digits is 211680, while the sum is 43.

The square root of 44779561 is about 6691.7532082407. The cubic root of 44779561 is about 355.1075809636.

It can be divided in two parts, 447 and 79561, that added together give a palindrome (80008).

The spelling of 44779561 in words is "forty-four million, seven hundred seventy-nine thousand, five hundred sixty-one".