198268127077 has 8 divisors (see below), whose sum is σ = 209856352160. Its totient is φ = 186795208080.

The previous prime is 198268127009. The next prime is 198268127089. The reversal of 198268127077 is 770721862891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198268127077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198268127777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28822983 + ... + 28829860.

It is an arithmetic number, because the mean of its divisors is an integer number (26232044020).

Almost surely, 2^198268127077 is an apocalyptic number.

It is an amenable number.

198268127077 is a deficient number, since it is larger than the sum of its proper divisors (11588225083).

198268127077 is a wasteful number, since it uses less digits than its factorization.

198268127077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57653043.

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 198268127077 in words is "one hundred ninety-eight billion, two hundred sixty-eight million, one hundred twenty-seven thousand, seventy-seven".