197220889058 has 18 divisors (see below), whose sum is σ = 297292102497. Its totient is φ = 98125907040.

The previous prime is 197220889009. The next prime is 197220889087. The reversal of 197220889058 is 850988022791.

It can be written as a sum of positive squares in 2 ways, for example, as 183772543969 + 13448345089 = 428687^2 + 115967^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=314023.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197220888988 and 197220889006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 151358435 + ... + 151359737.

Almost surely, 2^197220889058 is an apocalyptic number.

197220889058 is a deficient number, since it is larger than the sum of its proper divisors (100071213439).

197220889058 is an frugal number, since it uses more digits than its factorization.

197220889058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 59.

The spelling of 197220889058 in words is "one hundred ninety-seven billion, two hundred twenty million, eight hundred eighty-nine thousand, fifty-eight".