97983699888 has 40 divisors (see below), whose sum is σ = 261852994800. Its totient is φ = 31534983424.

The previous prime is 97983699887. The next prime is 97983699907. The reversal of 97983699888 is 88899638979.

It is a self number, because there is not a number n which added to its sum of digits gives 97983699888.

It is not an unprimeable number, because it can be changed into a prime (97983699887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35193903 + ... + 35196686.

It is an arithmetic number, because the mean of its divisors is an integer number (6546324870).

Almost surely, 2^97983699888 is an apocalyptic number.

It is an amenable number.

97983699888 is an abundant number, since it is smaller than the sum of its proper divisors (163869294912).

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

97983699888 is a wasteful number, since it uses less digits than its factorization.

97983699888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70390629 (or 70390623 counting only the distinct ones).

The product of its digits is 3386105856, while the sum is 84.

The spelling of 97983699888 in words is "ninety-seven billion, nine hundred eighty-three million, six hundred ninety-nine thousand, eight hundred eighty-eight".