9997775774402 has 16 divisors (see below), whose sum is σ = 16152978284352. Its totient is φ = 4613579446800.

The previous prime is 9997775774401. The next prime is 9997775774447. The reversal of 9997775774402 is 2044775777999.

It is not an unprimeable number, because it can be changed into a prime (9997775774401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32284724 + ... + 32592927.

It is an arithmetic number, because the mean of its divisors is an integer number (1009561142772).

Almost surely, 2^{9997775774402} is an apocalyptic number.

9997775774402 is a deficient number, since it is larger than the sum of its proper divisors (6155202509950).

9997775774402 is a wasteful number, since it uses less digits than its factorization.

9997775774402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64883593.

The product of its (nonzero) digits is 1960368480, while the sum is 77.

The spelling of 9997775774402 in words is "nine trillion, nine hundred ninety-seven billion, seven hundred seventy-five million, seven hundred seventy-four thousand, four hundred two".