198132677 has 2 divisors, whose sum is σ = 198132678. Its totient is φ = 198132676.

The previous prime is 198132667. The next prime is 198132713. The reversal of 198132677 is 776231891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188485441 + 9647236 = 13729^2 + 3106^2 .

It is an emirp because it is prime and its reverse (776231891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198132677 - 2⁴ = 198132661 is a prime.

It is a super-3 number, since 3×198132677³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198132647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99066338 + 99066339.

It is an arithmetic number, because the mean of its divisors is an integer number (99066339).

Almost surely, 2^198132677 is an apocalyptic number.

It is an amenable number.

198132677 is a deficient number, since it is larger than the sum of its proper divisors (1).

198132677 is an equidigital number, since it uses as much as digits as its factorization.

198132677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 198132677 is about 14075.9609618669. The cubic root of 198132677 is about 582.9778252508.

The spelling of 198132677 in words is "one hundred ninety-eight million, one hundred thirty-two thousand, six hundred seventy-seven".