99746371578050 has 18 divisors (see below), whose sum is σ = 185528382490233. Its totient is φ = 39898520382840.

The previous prime is 99746371578023. The next prime is 99746371578137. The reversal of 99746371578050 is 5087517364799.

It can be written as a sum of positive squares in 2 ways, for example, as 97751444146489 + 1994927431561 = 9886933^2 + 1412419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7062095.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 69914741 + ... + 71327159.

Almost surely, 2^{99746371578050} is an apocalyptic number.

99746371578050 is a deficient number, since it is larger than the sum of its proper divisors (85782010912183).

99746371578050 is an frugal number, since it uses more digits than its factorization.

99746371578050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824850 (or 1412426 counting only the distinct ones).

The product of its (nonzero) digits is 400075200, while the sum is 71.

The spelling of 99746371578050 in words is "ninety-nine trillion, seven hundred forty-six billion, three hundred seventy-one million, five hundred seventy-eight thousand, fifty".