197770541796 has 243 divisors, whose sum is σ = 545654312931. Its totient is φ = 60388603488.

The previous prime is 197770541783. The next prime is 197770541803. The reversal of 197770541796 is 697145077791.

The square root of 197770541796 is 444714.

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

197770541796 is a `hidden beast` number, since 19 + 7 + 7 + 7 + 0 + 541 + 79 + 6 = 666.

It is a super-2 number, since 2×197770541796² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2382777571 + ... + 2382777653.

Almost surely, 2^197770541796 is an apocalyptic number.

197770541796 is the 444714-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197770541796

197770541796 is an abundant number, since it is smaller than the sum of its proper divisors (347883771135).

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

197770541796 is a wasteful number, since it uses less digits than its factorization.

197770541796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 23337720, while the sum is 63.

The spelling of 197770541796 in words is "one hundred ninety-seven billion, seven hundred seventy million, five hundred forty-one thousand, seven hundred ninety-six".