99672756199 has 4 divisors (see below), whose sum is σ = 99811383840. Its totient is φ = 99534128560.

The previous prime is 99672756163. The next prime is 99672756217. The reversal of 99672756199 is 99165727699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99165727699 = 134129 ⋅739331.

It is a cyclic number.

It is not a de Polignac number, because 99672756199 - 2⁹ = 99672755687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99672756119) 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, 69312742 + ... + 69314179.

It is an arithmetic number, because the mean of its divisors is an integer number (24952845960).

Almost surely, 2^99672756199 is an apocalyptic number.

99672756199 is a deficient number, since it is larger than the sum of its proper divisors (138627641).

99672756199 is a wasteful number, since it uses less digits than its factorization.

99672756199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138627640.

The product of its digits is 115736040, while the sum is 70.

The spelling of 99672756199 in words is "ninety-nine billion, six hundred seventy-two million, seven hundred fifty-six thousand, one hundred ninety-nine".