99876666611 has 4 divisors (see below), whose sum is σ = 102199379832. Its totient is φ = 97553953392.

The previous prime is 99876666607. The next prime is 99876666613. The reversal of 99876666611 is 11666667899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99876666611 - 2² = 99876666607 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99876666613) 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, 1161356546 + ... + 1161356631.

It is an arithmetic number, because the mean of its divisors is an integer number (25549844958).

Almost surely, 2^99876666611 is an apocalyptic number.

99876666611 is a deficient number, since it is larger than the sum of its proper divisors (2322713221).

99876666611 is a wasteful number, since it uses less digits than its factorization.

99876666611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322713220.

The product of its digits is 35271936, while the sum is 65.

The spelling of 99876666611 in words is "ninety-nine billion, eight hundred seventy-six million, six hundred sixty-six thousand, six hundred eleven".