9886557884239 has 4 divisors (see below), whose sum is σ = 10316408227056. Its totient is φ = 9456707541424.

The previous prime is 9886557884227. The next prime is 9886557884261. The reversal of 9886557884239 is 9324887556889.

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 9886557884239 - 2⁷ = 9886557884111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9886557824239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214925171374 + ... + 214925171419.

It is an arithmetic number, because the mean of its divisors is an integer number (2579102056764).

Almost surely, 2^{9886557884239} is an apocalyptic number.

9886557884239 is a deficient number, since it is larger than the sum of its proper divisors (429850342817).

9886557884239 is a wasteful number, since it uses less digits than its factorization.

9886557884239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429850342816.

The product of its digits is 8360755200, while the sum is 82.

The spelling of 9886557884239 in words is "nine trillion, eight hundred eighty-six billion, five hundred fifty-seven million, eight hundred eighty-four thousand, two hundred thirty-nine".