675408869 has 16 divisors (see below), whose sum is σ = 746064000. Its totient is φ = 609233856.

The previous prime is 675408821. The next prime is 675408887. The reversal of 675408869 is 968804576.

675408869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-675408869 is a prime.

It is a super-2 number, since 2×675408869² = 912354280647718322, which contains 22 as substring.

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 675408869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675408889) 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, 16907 + ... + 40455.

It is an arithmetic number, because the mean of its divisors is an integer number (46629000).

Almost surely, 2^675408869 is an apocalyptic number.

It is an amenable number.

675408869 is a deficient number, since it is larger than the sum of its proper divisors (70655131).

675408869 is a wasteful number, since it uses less digits than its factorization.

675408869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23644.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 675408869 is about 25988.6296098890. The cubic root of 675408869 is about 877.3824027820.

The spelling of 675408869 in words is "six hundred seventy-five million, four hundred eight thousand, eight hundred sixty-nine".