197120008 has 8 divisors (see below), whose sum is σ = 369600030. Its totient is φ = 98560000.

The previous prime is 197119987. The next prime is 197120017. The reversal of 197120008 is 800021791.

197120008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130827844 + 66292164 = 11438^2 + 8142^2 .

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

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12319993 + ... + 12320008.

Almost surely, 2^197120008 is an apocalyptic number.

It is an amenable number.

197120008 is a deficient number, since it is larger than the sum of its proper divisors (172480022).

197120008 is a wasteful number, since it uses less digits than its factorization.

197120008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24640007 (or 24640003 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 197120008 is about 14039.9433047288. The cubic root of 197120008 is about 581.9829157765.

Adding to 197120008 its reverse (800021791), we get a palindrome (997141799).

The spelling of 197120008 in words is "one hundred ninety-seven million, one hundred twenty thousand, eight".