197874794059 has 4 divisors (see below), whose sum is σ = 203222761504. Its totient is φ = 192526826616.

The previous prime is 197874794003. The next prime is 197874794113. The reversal of 197874794059 is 950497478791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197874794059 - 2¹⁷ = 197874662987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197874797059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2673983667 + ... + 2673983740.

It is an arithmetic number, because the mean of its divisors is an integer number (50805690376).

Almost surely, 2^197874794059 is an apocalyptic number.

197874794059 is a deficient number, since it is larger than the sum of its proper divisors (5347967445).

197874794059 is an equidigital number, since it uses as much as digits as its factorization.

197874794059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347967444.

The product of its (nonzero) digits is 160030080, while the sum is 70.

The spelling of 197874794059 in words is "one hundred ninety-seven billion, eight hundred seventy-four million, seven hundred ninety-four thousand, fifty-nine".