44839616987 has 18 divisors (see below), whose sum is σ = 49773888612. Its totient is φ = 40360623600.

The previous prime is 44839616957. The next prime is 44839616989. The reversal of 44839616987 is 78961693844.

It is not a de Polignac number, because 44839616987 - 2¹² = 44839612891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44839616989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24093437 + ... + 24095297.

It is an arithmetic number, because the mean of its divisors is an integer number (2765216034).

Almost surely, 2^44839616987 is an apocalyptic number.

44839616987 is a deficient number, since it is larger than the sum of its proper divisors (4934271625).

44839616987 is an equidigital number, since it uses as much as digits as its factorization.

44839616987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851 (or 1979 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The spelling of 44839616987 in words is "forty-four billion, eight hundred thirty-nine million, six hundred sixteen thousand, nine hundred eighty-seven".