99676867699 has 4 divisors (see below), whose sum is σ = 102892250560. Its totient is φ = 96461484840.

The previous prime is 99676867679. The next prime is 99676867709.

99676867699 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99676867699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99676867679) 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 3 ways as a sum of consecutive naturals, for example, 1607691384 + ... + 1607691445.

It is an arithmetic number, because the mean of its divisors is an integer number (25723062640).

Almost surely, 2^99676867699 is an apocalyptic number.

99676867699 is a deficient number, since it is larger than the sum of its proper divisors (3215382861).

99676867699 is a wasteful number, since it uses less digits than its factorization.

99676867699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215382860.

The product of its digits is 3333197952, while the sum is 82.

The spelling of 99676867699 in words is "ninety-nine billion, six hundred seventy-six million, eight hundred sixty-seven thousand, six hundred ninety-nine".