4004400087 has 6 divisors (see below), whose sum is σ = 5784133472. Its totient is φ = 2669600052.

The previous prime is 4004400079. The next prime is 4004400089. The reversal of 4004400087 is 7800044004.

It is not a de Polignac number, because 4004400087 - 2³ = 4004400079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4004400087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004400089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222466663 + ... + 222466680.

Almost surely, 2^4004400087 is an apocalyptic number.

4004400087 is a deficient number, since it is larger than the sum of its proper divisors (1779733385).

4004400087 is a wasteful number, since it uses less digits than its factorization.

4004400087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444933349 (or 444933346 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4004400087 is about 63280.3293844146. The cubic root of 4004400087 is about 1587.9828972339.

The spelling of 4004400087 in words is "four billion, four million, four hundred thousand, eighty-seven".