9857980558 has 32 divisors (see below), whose sum is σ = 15733751040. Its totient is φ = 4619180160.

The previous prime is 9857980511. The next prime is 9857980597. The reversal of 9857980558 is 8550897589.

It is a happy number.

It is a super-3 number, since 3×9857980558³ (a number of 31 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 9857980558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518623 + ... + 2522533.

It is an arithmetic number, because the mean of its divisors is an integer number (491679720).

Almost surely, 2^9857980558 is an apocalyptic number.

9857980558 is a deficient number, since it is larger than the sum of its proper divisors (5875770482).

9857980558 is a wasteful number, since it uses less digits than its factorization.

9857980558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 36288000, while the sum is 64.

The square root of 9857980558 is about 99287.3635363534. The cubic root of 9857980558 is about 2144.1869695617.

The spelling of 9857980558 in words is "nine billion, eight hundred fifty-seven million, nine hundred eighty thousand, five hundred fifty-eight".