197374867899 has 16 divisors (see below), whose sum is σ = 303978407040. Its totient is φ = 112584594560.

The previous prime is 197374867897. The next prime is 197374867903. The reversal of 197374867899 is 998768473791.

It is a cyclic number.

It is not a de Polignac number, because 197374867899 - 2¹ = 197374867897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197374867891) 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, 175912869 + ... + 175913990.

It is an arithmetic number, because the mean of its divisors is an integer number (18998650440).

Almost surely, 2^197374867899 is an apocalyptic number.

197374867899 is a deficient number, since it is larger than the sum of its proper divisors (106603539141).

197374867899 is a wasteful number, since it uses less digits than its factorization.

197374867899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351826890.

The product of its digits is 1152216576, while the sum is 78.

The spelling of 197374867899 in words is "one hundred ninety-seven billion, three hundred seventy-four million, eight hundred sixty-seven thousand, eight hundred ninety-nine".