675286809 has 16 divisors (see below), whose sum is σ = 948326400. Its totient is φ = 426247056.

The previous prime is 675286789. The next prime is 675286817. The reversal of 675286809 is 908682576.

It is not a de Polignac number, because 675286809 - 2⁷ = 675286681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675286819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170352 + ... + 174270.

It is an arithmetic number, because the mean of its divisors is an integer number (59270400).

Almost surely, 2^675286809 is an apocalyptic number.

It is an amenable number.

675286809 is a deficient number, since it is larger than the sum of its proper divisors (273039591).

675286809 is a wasteful number, since it uses less digits than its factorization.

675286809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 675286809 is about 25986.2811691092. The cubic root of 675286809 is about 877.3295460346.

The spelling of 675286809 in words is "six hundred seventy-five million, two hundred eighty-six thousand, eight hundred nine".