44678881 has 8 divisors (see below), whose sum is σ = 48167784. Its totient is φ = 41197440.

The previous prime is 44678863. The next prime is 44678891. The reversal of 44678881 is 18887644.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3025 + 44675856 = 55^2 + 6684^2 .

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 44678881 - 2⁹ = 44678369 is a prime.

It is a super-2 number, since 2×44678881² = 3992404814824322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44678831) 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, 21375 + ... + 23371.

It is an arithmetic number, because the mean of its divisors is an integer number (6020973).

Almost surely, 2^44678881 is an apocalyptic number.

It is an amenable number.

44678881 is a deficient number, since it is larger than the sum of its proper divisors (3488903).

44678881 is a wasteful number, since it uses less digits than its factorization.

44678881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its digits is 344064, while the sum is 46.

The square root of 44678881 is about 6684.2262828244. The cubic root of 44678881 is about 354.8412462158.

The spelling of 44678881 in words is "forty-four million, six hundred seventy-eight thousand, eight hundred eighty-one".