197028071328 has 288 divisors, whose sum is σ = 582946737408. Its totient is φ = 58197934080.

The previous prime is 197028071323. The next prime is 197028071341. The reversal of 197028071328 is 823170820791.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (197028071323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170882400 + ... + 170883552.

It is an arithmetic number, because the mean of its divisors is an integer number (2024120616).

Almost surely, 2^197028071328 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 197028071328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291473368704).

197028071328 is an abundant number, since it is smaller than the sum of its proper divisors (385918666080).

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

197028071328 is a wasteful number, since it uses less digits than its factorization.

197028071328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 197028071328 in words is "one hundred ninety-seven billion, twenty-eight million, seventy-one thousand, three hundred twenty-eight".