9973768902 has 16 divisors (see below), whose sum is σ = 20411434560. Its totient is φ = 3247273512.

The previous prime is 9973768897. The next prime is 9973768919. The reversal of 9973768902 is 2098673799.

9973768902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9973768902² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19328752 + ... + 19329267.

It is an arithmetic number, because the mean of its divisors is an integer number (1275714660).

Almost surely, 2^9973768902 is an apocalyptic number.

9973768902 is an abundant number, since it is smaller than the sum of its proper divisors (10437665658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9973768902 is a wasteful number, since it uses less digits than its factorization.

9973768902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38658067.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The square root of 9973768902 is about 99868.7583881967. The cubic root of 9973768902 is about 2152.5492675967.

The spelling of 9973768902 in words is "nine billion, nine hundred seventy-three million, seven hundred sixty-eight thousand, nine hundred two".