197060879 has 2 divisors, whose sum is σ = 197060880. Its totient is φ = 197060878.

The previous prime is 197060867. The next prime is 197060881. The reversal of 197060879 is 978060791.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197060879 is a prime.

Together with 197060881, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 197060879 parts by 19852 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197060819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98530439 + 98530440.

It is an arithmetic number, because the mean of its divisors is an integer number (98530440).

Almost surely, 2^197060879 is an apocalyptic number.

197060879 is a deficient number, since it is larger than the sum of its proper divisors (1).

197060879 is an equidigital number, since it uses as much as digits as its factorization.

197060879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 197060879 is about 14037.8374046717. The cubic root of 197060879 is about 581.9247185568.

The spelling of 197060879 in words is "one hundred ninety-seven million, sixty thousand, eight hundred seventy-nine".