197508026488 has 8 divisors (see below), whose sum is σ = 370327549680. Its totient is φ = 98754013240.

The previous prime is 197508026447. The next prime is 197508026503. The reversal of 197508026488 is 884620805791.

It is a happy number.

197508026488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×197508026488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12344251648 + ... + 12344251663.

It is an arithmetic number, because the mean of its divisors is an integer number (46290943710).

Almost surely, 2^197508026488 is an apocalyptic number.

It is an amenable number.

197508026488 is a deficient number, since it is larger than the sum of its proper divisors (172819523192).

197508026488 is a wasteful number, since it uses less digits than its factorization.

197508026488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24688503317 (or 24688503313 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 197508026488 in words is "one hundred ninety-seven billion, five hundred eight million, twenty-six thousand, four hundred eighty-eight".