197285287401 has 36 divisors (see below), whose sum is σ = 304562743680. Its totient is φ = 123023843280.

The previous prime is 197285287373. The next prime is 197285287403. The reversal of 197285287401 is 104782582791.

197285287401 is a `hidden beast` number, since 1 + 9 + 72 + 8 + 528 + 7 + 40 + 1 = 666.

It is not a de Polignac number, because 197285287401 - 2¹³ = 197285279209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197285287403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127645 + ... + 640986.

Almost surely, 2^197285287401 is an apocalyptic number.

It is an amenable number.

197285287401 is a deficient number, since it is larger than the sum of its proper divisors (107277456279).

197285287401 is a wasteful number, since it uses less digits than its factorization.

197285287401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768754 (or 768732 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 197285287401 in words is "one hundred ninety-seven billion, two hundred eighty-five million, two hundred eighty-seven thousand, four hundred one".