675505399 has 4 divisors (see below), whose sum is σ = 686579320. Its totient is φ = 664431480.

The previous prime is 675505393. The next prime is 675505403. The reversal of 675505399 is 993505576.

It is a happy number.

675505399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675505399 - 2¹⁷ = 675374327 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 (675505393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536869 + ... + 5536990.

It is an arithmetic number, because the mean of its divisors is an integer number (171644830).

Almost surely, 2^675505399 is an apocalyptic number.

675505399 is a deficient number, since it is larger than the sum of its proper divisors (11073921).

675505399 is a wasteful number, since it uses less digits than its factorization.

675505399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073920.

The product of its (nonzero) digits is 1275750, while the sum is 49.

The square root of 675505399 is about 25990.4867018684. The cubic root of 675505399 is about 877.4241995329.

The spelling of 675505399 in words is "six hundred seventy-five million, five hundred five thousand, three hundred ninety-nine".