197288765584 has 15 divisors (see below), whose sum is σ = 382250425683. Its totient is φ = 98643494448.

The previous prime is 197288765581. The next prime is 197288765593. The reversal of 197288765584 is 485567882791.

It is a happy number.

The square root of 197288765584 is 444172.

It is a perfect power (a square), and thus also a powerful number.

197288765584 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197288765584² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197288765581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1721167 + ... + 1832209.

Almost surely, 2^197288765584 is an apocalyptic number.

197288765584 is the 444172-nd square number.

It is an amenable number.

197288765584 is a deficient number, since it is larger than the sum of its proper divisors (184961660099).

197288765584 is an frugal number, since it uses more digits than its factorization.

197288765584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222094 (or 111045 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 70.

The spelling of 197288765584 in words is "one hundred ninety-seven billion, two hundred eighty-eight million, seven hundred sixty-five thousand, five hundred eighty-four".