197747086492032 has 768 divisors, whose sum is σ = 684933174305280. Its totient is φ = 49949381099520.

The previous prime is 197747086491989. The next prime is 197747086492051. The reversal of 197747086492032 is 230294680747791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18555600048 + ... + 18555610704.

It is an arithmetic number, because the mean of its divisors is an integer number (891840070710).

Almost surely, 2^{197747086492032} is an apocalyptic number.

197747086492032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197747086492032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342466587152640).

197747086492032 is an abundant number, since it is smaller than the sum of its proper divisors (487186087813248).

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

197747086492032 is a wasteful number, since it uses less digits than its factorization.

197747086492032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13159 (or 13140 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 197747086492032 in words is "one hundred ninety-seven trillion, seven hundred forty-seven billion, eighty-six million, four hundred ninety-two thousand, thirty-two".