99277161809 has 8 divisors (see below), whose sum is σ = 113685183360. Its totient is φ = 84925532736.

The previous prime is 99277161787. The next prime is 99277161827. The reversal of 99277161809 is 90816177299.

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 99277161809 - 2¹² = 99277157713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99277161829) 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, 14094344 + ... + 14101385.

It is an arithmetic number, because the mean of its divisors is an integer number (14210647920).

Almost surely, 2^99277161809 is an apocalyptic number.

It is an amenable number.

99277161809 is a deficient number, since it is larger than the sum of its proper divisors (14408021551).

99277161809 is a wasteful number, since it uses less digits than its factorization.

99277161809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196239.

The product of its (nonzero) digits is 3429216, while the sum is 59.

The spelling of 99277161809 in words is "ninety-nine billion, two hundred seventy-seven million, one hundred sixty-one thousand, eight hundred nine".