197255321088 has 160 divisors (see below), whose sum is σ = 601782483456. Its totient is φ = 56245075968.

The previous prime is 197255321059. The next prime is 197255321099. The reversal of 197255321088 is 880123552791.

197255321088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 197255321088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5390020 + ... + 5426492.

Almost surely, 2^197255321088 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 197255321088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300891241728).

197255321088 is an abundant number, since it is smaller than the sum of its proper divisors (404527162368).

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

197255321088 is an equidigital number, since it uses as much as digits as its factorization.

197255321088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37004 (or 36988 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 197255321088 in words is "one hundred ninety-seven billion, two hundred fifty-five million, three hundred twenty-one thousand, eighty-eight".