4428385587 has 14 divisors (see below), whose sum is σ = 6639542172. Its totient is φ = 2952256572.

The previous prime is 4428385561. The next prime is 4428385627. The reversal of 4428385587 is 7855838244.

4428385587 is a `hidden beast` number, since 4 + 4 + 2 + 83 + 8 + 558 + 7 = 666.

It is not a de Polignac number, because 4428385587 - 2¹¹ = 4428383539 is a prime.

It is a super-2 number, since 2×4428385587² = 39221197814298669138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4428385187) 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 13 ways as a sum of consecutive naturals, for example, 3036573 + ... + 3038030.

Almost surely, 2^4428385587 is an apocalyptic number.

4428385587 is a deficient number, since it is larger than the sum of its proper divisors (2211156585).

4428385587 is an frugal number, since it uses more digits than its factorization.

4428385587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074621 (or 6074606 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The square root of 4428385587 is about 66546.1162427981. The cubic root of 4428385587 is about 1642.1587656671.

The spelling of 4428385587 in words is "four billion, four hundred twenty-eight million, three hundred eighty-five thousand, five hundred eighty-seven".