675567999 has 8 divisors (see below), whose sum is σ = 1000841520. Its totient is φ = 450378648.

The previous prime is 675567973. The next prime is 675568013. The reversal of 675567999 is 999765576.

675567999 is a `hidden beast` number, since 6 + 7 + 556 + 79 + 9 + 9 = 666.

675567999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675567999 - 2⁵ = 675567967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675565999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510492 + ... + 12510545.

It is an arithmetic number, because the mean of its divisors is an integer number (125105190).

Almost surely, 2^675567999 is an apocalyptic number.

675567999 is a deficient number, since it is larger than the sum of its proper divisors (325273521).

675567999 is a wasteful number, since it uses less digits than its factorization.

675567999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25021046 (or 25021040 counting only the distinct ones).

The product of its digits is 32148900, while the sum is 63.

The square root of 675567999 is about 25991.6909607667. The cubic root of 675567999 is about 877.4513027253.

The spelling of 675567999 in words is "six hundred seventy-five million, five hundred sixty-seven thousand, nine hundred ninety-nine".