9797987076 has 12 divisors (see below), whose sum is σ = 22861969872. Its totient is φ = 3265995688.

The previous prime is 9797987063. The next prime is 9797987081. The reversal of 9797987076 is 6707897979.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 9797987076.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408249450 + ... + 408249473.

It is an arithmetic number, because the mean of its divisors is an integer number (1905164156).

Almost surely, 2^9797987076 is an apocalyptic number.

It is an amenable number.

9797987076 is an abundant number, since it is smaller than the sum of its proper divisors (13063982796).

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

9797987076 is a wasteful number, since it uses less digits than its factorization.

9797987076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816498930 (or 816498928 counting only the distinct ones).

The product of its (nonzero) digits is 84015792, while the sum is 69.

The square root of 9797987076 is about 98984.7820424938. The cubic root of 9797987076 is about 2139.8284338540.

The spelling of 9797987076 in words is "nine billion, seven hundred ninety-seven million, nine hundred eighty-seven thousand, seventy-six".