4004618987 has 4 divisors (see below), whose sum is σ = 4178732880. Its totient is φ = 3830505096.

The previous prime is 4004618977. The next prime is 4004619013. The reversal of 4004618987 is 7898164004.

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 4004618987 - 2⁴ = 4004618971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4004618977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87056912 + ... + 87056957.

It is an arithmetic number, because the mean of its divisors is an integer number (1044683220).

Almost surely, 2^4004618987 is an apocalyptic number.

4004618987 is a deficient number, since it is larger than the sum of its proper divisors (174113893).

4004618987 is a wasteful number, since it uses less digits than its factorization.

4004618987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174113892.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 4004618987 is about 63282.0589661872. The cubic root of 4004618987 is about 1588.0118323315.

The spelling of 4004618987 in words is "four billion, four million, six hundred eighteen thousand, nine hundred eighty-seven".