99426809375 has 24 divisors (see below), whose sum is σ = 124792169040. Its totient is φ = 79210800000.

The previous prime is 99426809359. The next prime is 99426809413. The reversal of 99426809375 is 57390862499.

It is a happy number.

It is not a de Polignac number, because 99426809375 - 2⁴ = 99426809359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687116 + ... + 819134.

It is an arithmetic number, because the mean of its divisors is an integer number (5199673710).

Almost surely, 2^99426809375 is an apocalyptic number.

99426809375 is a deficient number, since it is larger than the sum of its proper divisors (25365359665).

99426809375 is an equidigital number, since it uses as much as digits as its factorization.

99426809375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132285 (or 132265 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 99426809375 in words is "ninety-nine billion, four hundred twenty-six million, eight hundred nine thousand, three hundred seventy-five".