44444887 has 4 divisors (see below), whose sum is σ = 44739376. Its totient is φ = 44150400.

The previous prime is 44444863. The next prime is 44444891. The reversal of 44444887 is 78844444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44444887 - 2¹⁹ = 43920599 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 (44444837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147018 + ... + 147319.

It is an arithmetic number, because the mean of its divisors is an integer number (11184844).

Almost surely, 2^44444887 is an apocalyptic number.

44444887 is a deficient number, since it is larger than the sum of its proper divisors (294489).

44444887 is a wasteful number, since it uses less digits than its factorization.

44444887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294488.

The product of its digits is 458752, while the sum is 43.

The square root of 44444887 is about 6666.6998582507. The cubic root of 44444887 is about 354.2206987706.

The spelling of 44444887 in words is "forty-four million, four hundred forty-four thousand, eight hundred eighty-seven".