99926748945407 has 4 divisors (see below), whose sum is σ = 99942143613576. Its totient is φ = 99911354277240.

The previous prime is 99926748945379. The next prime is 99926748945487. The reversal of 99926748945407 is 70454984762999.

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 99926748945407 - 2¹² = 99926748941311 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 (99926748945487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7697324348 + ... + 7697337329.

It is an arithmetic number, because the mean of its divisors is an integer number (24985535903394).

Almost surely, 2^{99926748945407} is an apocalyptic number.

99926748945407 is a deficient number, since it is larger than the sum of its proper divisors (15394668169).

99926748945407 is a wasteful number, since it uses less digits than its factorization.

99926748945407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394668168.

The product of its (nonzero) digits is 9876142080, while the sum is 83.

The spelling of 99926748945407 in words is "ninety-nine trillion, nine hundred twenty-six billion, seven hundred forty-eight million, nine hundred forty-five thousand, four hundred seven".