99876289 has 8 divisors (see below), whose sum is σ = 100618560. Its totient is φ = 99137136.

The previous prime is 99876277. The next prime is 99876299. The reversal of 99876289 is 98267899.

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

It is a cyclic number.

It is not a de Polignac number, because 99876289 - 2⁹ = 99875777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99876299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134052 + ... + 134794.

It is an arithmetic number, because the mean of its divisors is an integer number (12577320).

Almost surely, 2^99876289 is an apocalyptic number.

It is an amenable number.

99876289 is a deficient number, since it is larger than the sum of its proper divisors (742271).

99876289 is a wasteful number, since it uses less digits than its factorization.

99876289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 3919104, while the sum is 58.

The square root of 99876289 is about 9993.8125357643. The cubic root of 99876289 is about 463.9673991785.

The spelling of 99876289 in words is "ninety-nine million, eight hundred seventy-six thousand, two hundred eighty-nine".