99676661 has 8 divisors (see below), whose sum is σ = 120617280. Its totient is φ = 80411328.

The previous prime is 99676657. The next prime is 99676667. The reversal of 99676661 is 16667699.

It is a happy number.

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 99676661 - 2² = 99676657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99676667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418691 + ... + 418928.

It is an arithmetic number, because the mean of its divisors is an integer number (15077160).

Almost surely, 2^99676661 is an apocalyptic number.

It is an amenable number.

99676661 is a deficient number, since it is larger than the sum of its proper divisors (20940619).

99676661 is a wasteful number, since it uses less digits than its factorization.

99676661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837643.

The product of its digits is 734832, while the sum is 50.

The square root of 99676661 is about 9983.8199603158. The cubic root of 99676661 is about 463.6580743052.

The spelling of 99676661 in words is "ninety-nine million, six hundred seventy-six thousand, six hundred sixty-one".