9999768148802 has 16 divisors (see below), whose sum is σ = 15518065390200. Its totient is φ = 4827105991680.

The previous prime is 9999768148679. The next prime is 9999768148813. The reversal of 9999768148802 is 2088418679999.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7459120237321 + 2540647911481 = 2731139^2 + 1593941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808977 + ... + 7331012.

Almost surely, 2^{9999768148802} is an apocalyptic number.

9999768148802 is a deficient number, since it is larger than the sum of its proper divisors (5518297241398).

9999768148802 is a wasteful number, since it uses less digits than its factorization.

9999768148802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153141.

The product of its (nonzero) digits is 1128701952, while the sum is 80.

The spelling of 9999768148802 in words is "nine trillion, nine hundred ninety-nine billion, seven hundred sixty-eight million, one hundred forty-eight thousand, eight hundred two".