99118908771 has 8 divisors (see below), whose sum is σ = 132160638480. Its totient is φ = 66078225792.

The previous prime is 99118908727. The next prime is 99118908773. The reversal of 99118908771 is 17780981199.

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

It is not a de Polignac number, because 99118908771 - 2²² = 99114714467 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (99118908773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4666 + ... + 445263.

It is an arithmetic number, because the mean of its divisors is an integer number (16520079810).

Almost surely, 2^99118908771 is an apocalyptic number.

99118908771 is a deficient number, since it is larger than the sum of its proper divisors (33041729709).

99118908771 is a wasteful number, since it uses less digits than its factorization.

99118908771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523365.

The product of its (nonzero) digits is 2286144, while the sum is 60.

The spelling of 99118908771 in words is "ninety-nine billion, one hundred eighteen million, nine hundred eight thousand, seven hundred seventy-one".