558378987 has 8 divisors (see below), whose sum is σ = 751336080. Its totient is φ = 368837280.

The previous prime is 558378949. The next prime is 558379001. The reversal of 558378987 is 789873855.

558378987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 558378987 - 2¹⁵ = 558346219 is a prime.

It is a super-3 number, since 3×558378987³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 558378987.

It is not an unprimeable number, because it can be changed into a prime (558378187) 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, 853464 + ... + 854117.

It is an arithmetic number, because the mean of its divisors is an integer number (93917010).

Almost surely, 2^558378987 is an apocalyptic number.

558378987 is a deficient number, since it is larger than the sum of its proper divisors (192957093).

558378987 is a wasteful number, since it uses less digits than its factorization.

558378987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707693.

The product of its digits is 16934400, while the sum is 60.

The square root of 558378987 is about 23630.0441599249. The cubic root of 558378987 is about 823.4609750183.

The spelling of 558378987 in words is "five hundred fifty-eight million, three hundred seventy-eight thousand, nine hundred eighty-seven".