4444468987 has 8 divisors (see below), whose sum is σ = 5079799296. Its totient is φ = 3809240232.

The previous prime is 4444468981. The next prime is 4444469017. The reversal of 4444468987 is 7898644444.

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

It is a de Polignac number, because none of the positive numbers 2^k-4444468987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444468981) 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, 141918 + ... + 170380.

It is an arithmetic number, because the mean of its divisors is an integer number (634974912).

Almost surely, 2^4444468987 is an apocalyptic number.

4444468987 is a deficient number, since it is larger than the sum of its proper divisors (635330309).

4444468987 is a wasteful number, since it uses less digits than its factorization.

4444468987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50777.

The product of its digits is 24772608, while the sum is 58.

The square root of 4444468987 is about 66666.8507355792. The cubic root of 4444468987 is about 1644.1444092388.

The spelling of 4444468987 in words is "four billion, four hundred forty-four million, four hundred sixty-eight thousand, nine hundred eighty-seven".