64198327 has 8 divisors (see below), whose sum is σ = 65006640. Its totient is φ = 63393600.

The previous prime is 64198301. The next prime is 64198331. The reversal of 64198327 is 72389146.

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 64198327 - 2¹⁵ = 64165559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64198327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64198357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56299 + ... + 57427.

It is an arithmetic number, because the mean of its divisors is an integer number (8125830).

Almost surely, 2^64198327 is an apocalyptic number.

64198327 is a deficient number, since it is larger than the sum of its proper divisors (808313).

64198327 is a wasteful number, since it uses less digits than its factorization.

64198327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793.

The product of its digits is 72576, while the sum is 40.

The square root of 64198327 is about 8012.3858494209. The cubic root of 64198327 is about 400.4127551864.

The spelling of 64198327 in words is "sixty-four million, one hundred ninety-eight thousand, three hundred twenty-seven".