9885551158 has 48 divisors (see below), whose sum is σ = 17570561904. Its totient is φ = 4158423360.

The previous prime is 9885551131. The next prime is 9885551189. The reversal of 9885551158 is 8511555889.

It is a junction number, because it is equal to n+sod(n) for n = 9885551099 and 9885551108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1273168 + ... + 1280908.

It is an arithmetic number, because the mean of its divisors is an integer number (366053373).

Almost surely, 2^9885551158 is an apocalyptic number.

9885551158 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

9885551158 is a deficient number, since it is larger than the sum of its proper divisors (7685010746).

9885551158 is a wasteful number, since it uses less digits than its factorization.

9885551158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997 (or 7990 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 55.

The square root of 9885551158 is about 99426.1090358061. The cubic root of 9885551158 is about 2146.1840484572.

The spelling of 9885551158 in words is "nine billion, eight hundred eighty-five million, five hundred fifty-one thousand, one hundred fifty-eight".