99628377382699 has 4 divisors (see below), whose sum is σ = 108685502599320. Its totient is φ = 90571252166080.

The previous prime is 99628377382679. The next prime is 99628377382717.

99628377382699 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 99628377382699 - 2³⁹ = 99078621568811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99628377382679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528562608294 + ... + 4528562608315.

It is an arithmetic number, because the mean of its divisors is an integer number (27171375649830).

Almost surely, 2^{99628377382699} is an apocalyptic number.

99628377382699 is a deficient number, since it is larger than the sum of its proper divisors (9057125216621).

99628377382699 is a wasteful number, since it uses less digits than its factorization.

99628377382699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057125216620.

The product of its digits is 26665583616, while the sum is 88.

The spelling of 99628377382699 in words is "ninety-nine trillion, six hundred twenty-eight billion, three hundred seventy-seven million, three hundred eighty-two thousand, six hundred ninety-nine".