99876911 has 4 divisors (see below), whose sum is σ = 101569800. Its totient is φ = 98184024.

The previous prime is 99876877. The next prime is 99876919. The reversal of 99876911 is 11967899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11967899 = 1301 ⋅9199.

It is not a de Polignac number, because 99876911 - 2¹⁰ = 99875887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99876911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99876919) 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, 846356 + ... + 846473.

It is an arithmetic number, because the mean of its divisors is an integer number (25392450).

Almost surely, 2^99876911 is an apocalyptic number.

99876911 is a deficient number, since it is larger than the sum of its proper divisors (1692889).

99876911 is a wasteful number, since it uses less digits than its factorization.

99876911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692888.

The product of its digits is 244944, while the sum is 50.

The square root of 99876911 is about 9993.8436549708. The cubic root of 99876911 is about 463.9683623271.

The spelling of 99876911 in words is "ninety-nine million, eight hundred seventy-six thousand, nine hundred eleven".