197286471836 has 6 divisors (see below), whose sum is σ = 345251325720. Its totient is φ = 98643235916.

The previous prime is 197286471803. The next prime is 197286471883. The reversal of 197286471836 is 638174682791.

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, 24660808976 + ... + 24660808983.

It is an arithmetic number, because the mean of its divisors is an integer number (57541887620).

Almost surely, 2^197286471836 is an apocalyptic number.

It is an amenable number.

197286471836 is a deficient number, since it is larger than the sum of its proper divisors (147964853884).

197286471836 is a wasteful number, since it uses less digits than its factorization.

197286471836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49321617963 (or 49321617961 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The spelling of 197286471836 in words is "one hundred ninety-seven billion, two hundred eighty-six million, four hundred seventy-one thousand, eight hundred thirty-six".