198264077 has 8 divisors (see below), whose sum is σ = 216395712. Its totient is φ = 180150400.

The previous prime is 198264049. The next prime is 198264083. The reversal of 198264077 is 770462891.

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

It is a cyclic number.

It is not a de Polignac number, because 198264077 - 2¹² = 198259981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198264007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30488 + ... + 36414.

It is an arithmetic number, because the mean of its divisors is an integer number (27049464).

Almost surely, 2^198264077 is an apocalyptic number.

It is an amenable number.

198264077 is a deficient number, since it is larger than the sum of its proper divisors (18131635).

198264077 is a wasteful number, since it uses less digits than its factorization.

198264077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 198264077 is about 14080.6277203824. The cubic root of 198264077 is about 583.1066721753.

The spelling of 198264077 in words is "one hundred ninety-eight million, two hundred sixty-four thousand, seventy-seven".