197963407488 has 256 divisors, whose sum is σ = 658111703040. Its totient is φ = 51221544960.

The previous prime is 197963407463. The next prime is 197963407489. The reversal of 197963407488 is 884704369791.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (197963407489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7763656 + ... + 7789112.

It is an arithmetic number, because the mean of its divisors is an integer number (2570748840).

Almost surely, 2^197963407488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197963407488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329055851520).

197963407488 is an abundant number, since it is smaller than the sum of its proper divisors (460148295552).

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

197963407488 is a wasteful number, since it uses less digits than its factorization.

197963407488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755 (or 25743 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 197963407488 in words is "one hundred ninety-seven billion, nine hundred sixty-three million, four hundred seven thousand, four hundred eighty-eight".