197187760896 has 144 divisors (see below), whose sum is σ = 600270015744. Its totient is φ = 56293281792.

The previous prime is 197187760871. The next prime is 197187760951. The reversal of 197187760896 is 698067781791.

It is a self number, because there is not a number n which added to its sum of digits gives 197187760896.

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, 6850791 + ... + 6879513.

It is an arithmetic number, because the mean of its divisors is an integer number (4168541776).

Almost surely, 2^197187760896 is an apocalyptic number.

197187760896 is a gapful number since it is divisible by the number (16) 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 197187760896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300135007872).

197187760896 is an abundant number, since it is smaller than the sum of its proper divisors (403082254848).

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

197187760896 is a wasteful number, since it uses less digits than its factorization.

197187760896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30026 (or 30012 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 69.

The spelling of 197187760896 in words is "one hundred ninety-seven billion, one hundred eighty-seven million, seven hundred sixty thousand, eight hundred ninety-six".