197670938404 has 81 divisors (see below), whose sum is σ = 366173390289. Its totient is φ = 93366420000.

The previous prime is 197670938363. The next prime is 197670938411. The reversal of 197670938404 is 404839076791.

The square root of 197670938404 is 444602.

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

It can be written as a sum of positive squares in only one way, i.e., 189919896804 + 7751041600 = 435798^2 + 88040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1957137954 + ... + 1957138054.

Almost surely, 2^197670938404 is an apocalyptic number.

197670938404 is the 444602-nd square number.

It is an amenable number.

197670938404 is a deficient number, since it is larger than the sum of its proper divisors (168502451885).

197670938404 is an equidigital number, since it uses as much as digits as its factorization.

197670938404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 197670938404 in words is "one hundred ninety-seven billion, six hundred seventy million, nine hundred thirty-eight thousand, four hundred four".