9963973076 has 24 divisors (see below), whose sum is σ = 17776621800. Its totient is φ = 4885051392.

The previous prime is 9963973051. The next prime is 9963973111. The reversal of 9963973076 is 6703793699.

It can be written as a sum of positive squares in 4 ways, for example, as 757570576 + 9206402500 = 27524^2 + 95950^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 363500 + ... + 389948.

It is an arithmetic number, because the mean of its divisors is an integer number (740692575).

Almost surely, 2^9963973076 is an apocalyptic number.

It is an amenable number.

9963973076 is a deficient number, since it is larger than the sum of its proper divisors (7812648724).

9963973076 is a wasteful number, since it uses less digits than its factorization.

9963973076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28283 (or 28281 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 59.

The square root of 9963973076 is about 99819.7028446789. The cubic root of 9963973076 is about 2151.8443216087.

The spelling of 9963973076 in words is "nine billion, nine hundred sixty-three million, nine hundred seventy-three thousand, seventy-six".