983897818904 has 64 divisors (see below), whose sum is σ = 2476945578240. Its totient is φ = 353849362560.

The previous prime is 983897818873. The next prime is 983897818907. The reversal of 983897818904 is 409818798389.

It is a super-2 number, since 2×983897818904² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983897818907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61424174 + ... + 61440189.

It is an arithmetic number, because the mean of its divisors is an integer number (38702274660).

Almost surely, 2^983897818904 is an apocalyptic number.

It is an amenable number.

983897818904 is an abundant number, since it is smaller than the sum of its proper divisors (1493047759336).

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

983897818904 is a wasteful number, since it uses less digits than its factorization.

983897818904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122864400 (or 122864396 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 74.

The spelling of 983897818904 in words is "nine hundred eighty-three billion, eight hundred ninety-seven million, eight hundred eighteen thousand, nine hundred four".