9986231355 has 16 divisors (see below), whose sum is σ = 16127299584. Its totient is φ = 5276213600.

The previous prime is 9986231257. The next prime is 9986231389. The reversal of 9986231355 is 5531326899.

It is not a de Polignac number, because 9986231355 - 2²⁶ = 9919122491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9986231298 and 9986231307.

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, 3109371 + ... + 3112580.

It is an arithmetic number, because the mean of its divisors is an integer number (1007956224).

Almost surely, 2^9986231355 is an apocalyptic number.

9986231355 is a deficient number, since it is larger than the sum of its proper divisors (6141068229).

9986231355 is a wasteful number, since it uses less digits than its factorization.

9986231355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222066.

The product of its digits is 1749600, while the sum is 51.

The square root of 9986231355 is about 99931.1330617241. The cubic root of 9986231355 is about 2153.4454476612.

The spelling of 9986231355 in words is "nine billion, nine hundred eighty-six million, two hundred thirty-one thousand, three hundred fifty-five".