99759642075 has 18 divisors (see below), whose sum is σ = 178680603764. Its totient is φ = 53205142320.

The previous prime is 99759642071. The next prime is 99759642077. The reversal of 99759642075 is 57024695799.

99759642075 is a `hidden beast` number, since 9 + 97 + 59 + 6 + 420 + 75 = 666.

It is not a de Polignac number, because 99759642075 - 2² = 99759642071 is a prime.

It is a super-2 number, since 2×99759642075² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99759642071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 221687869 + ... + 221688318.

Almost surely, 2^99759642075 is an apocalyptic number.

99759642075 is a deficient number, since it is larger than the sum of its proper divisors (78920961689).

99759642075 is a wasteful number, since it uses less digits than its factorization.

99759642075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443376203 (or 443376195 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 99759642075 in words is "ninety-nine billion, seven hundred fifty-nine million, six hundred forty-two thousand, seventy-five".