44755878487 has 4 divisors (see below), whose sum is σ = 44756318880. Its totient is φ = 44755438096.

The previous prime is 44755878481. The next prime is 44755878493. The reversal of 44755878487 is 78487855744.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (44755878481) and next prime (44755878493).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44755878487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44755878481) 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 3 ways as a sum of consecutive naturals, for example, 18483 + ... + 299755.

It is an arithmetic number, because the mean of its divisors is an integer number (11189079720).

Almost surely, 2^44755878487 is an apocalyptic number.

44755878487 is a deficient number, since it is larger than the sum of its proper divisors (440393).

44755878487 is a wasteful number, since it uses less digits than its factorization.

44755878487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440392.

The product of its digits is 280985600, while the sum is 67.

The spelling of 44755878487 in words is "forty-four billion, seven hundred fifty-five million, eight hundred seventy-eight thousand, four hundred eighty-seven".