99657675699 has 4 divisors (see below), whose sum is σ = 132876900936. Its totient is φ = 66438450464.

The previous prime is 99657675671. The next prime is 99657675701.

99657675699 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 not a de Polignac number, because 99657675699 - 2¹¹ = 99657673651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99657675199) 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, 16609612614 + ... + 16609612619.

It is an arithmetic number, because the mean of its divisors is an integer number (33219225234).

Almost surely, 2^99657675699 is an apocalyptic number.

99657675699 is a deficient number, since it is larger than the sum of its proper divisors (33219225237).

99657675699 is a wasteful number, since it uses less digits than its factorization.

99657675699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33219225236.

The product of its digits is 1736040600, while the sum is 78.

The spelling of 99657675699 in words is "ninety-nine billion, six hundred fifty-seven million, six hundred seventy-five thousand, six hundred ninety-nine".