99126075697 has 4 divisors (see below), whose sum is σ = 108137537136. Its totient is φ = 90114614260.

The previous prime is 99126075649. The next prime is 99126075703. The reversal of 99126075697 is 79657062199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 99126075697 - 2¹⁵ = 99126042929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99126075637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505730703 + ... + 4505730724.

It is an arithmetic number, because the mean of its divisors is an integer number (27034384284).

Almost surely, 2^99126075697 is an apocalyptic number.

It is an amenable number.

99126075697 is a deficient number, since it is larger than the sum of its proper divisors (9011461439).

99126075697 is a wasteful number, since it uses less digits than its factorization.

99126075697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011461438.

The product of its (nonzero) digits is 12859560, while the sum is 61.

The spelling of 99126075697 in words is "ninety-nine billion, one hundred twenty-six million, seventy-five thousand, six hundred ninety-seven".