197386813027 has 16 divisors (see below), whose sum is σ = 217375580160. Its totient is φ = 178400515392.

The previous prime is 197386813003. The next prime is 197386813031. The reversal of 197386813027 is 720318683791.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 197386813027 - 2¹⁵ = 197386780259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197386813427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422298 + ... + 757039.

It is an arithmetic number, because the mean of its divisors is an integer number (13585973760).

Almost surely, 2^197386813027 is an apocalyptic number.

197386813027 is a deficient number, since it is larger than the sum of its proper divisors (19988767133).

197386813027 is a wasteful number, since it uses less digits than its factorization.

197386813027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179762.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 197386813027 in words is "one hundred ninety-seven billion, three hundred eighty-six million, eight hundred thirteen thousand, twenty-seven".