99758897434 has 24 divisors (see below), whose sum is σ = 183230631360. Its totient is φ = 40503611736.

The previous prime is 99758897423. The next prime is 99758897461. The reversal of 99758897434 is 43479885799.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26786242 + ... + 26789965.

It is an arithmetic number, because the mean of its divisors is an integer number (7634609640).

Almost surely, 2^99758897434 is an apocalyptic number.

99758897434 is a deficient number, since it is larger than the sum of its proper divisors (83471733926).

99758897434 is a wasteful number, since it uses less digits than its factorization.

99758897434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53576242 (or 53576235 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 73.

The spelling of 99758897434 in words is "ninety-nine billion, seven hundred fifty-eight million, eight hundred ninety-seven thousand, four hundred thirty-four".