4539579987 has 8 divisors (see below), whose sum is σ = 6216361936. Its totient is φ = 2944592352.

The previous prime is 4539579973. The next prime is 4539579991. The reversal of 4539579987 is 7899759354.

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

It is not a de Polignac number, because 4539579987 - 2⁷ = 4539579859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4539579917) 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 7 ways as a sum of consecutive naturals, for example, 20448448 + ... + 20448669.

It is an arithmetic number, because the mean of its divisors is an integer number (777045242).

Almost surely, 2^4539579987 is an apocalyptic number.

4539579987 is a deficient number, since it is larger than the sum of its proper divisors (1676781949).

4539579987 is a wasteful number, since it uses less digits than its factorization.

4539579987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40897157.

The product of its digits is 85730400, while the sum is 66.

The square root of 4539579987 is about 67376.4052692038. The cubic root of 4539579987 is about 1655.7898812877.

The spelling of 4539579987 in words is "four billion, five hundred thirty-nine million, five hundred seventy-nine thousand, nine hundred eighty-seven".