676565645 has 16 divisors (see below), whose sum is σ = 929301120. Its totient is φ = 463210944.

The previous prime is 676565639. The next prime is 676565647. The reversal of 676565645 is 546565676.

It is not a de Polignac number, because 676565645 - 2¹² = 676561549 is a prime.

It is a super-3 number, since 3×676565645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 676565593 and 676565602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676565647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8399 + ... + 37731.

It is an arithmetic number, because the mean of its divisors is an integer number (58081320).

Almost surely, 2^676565645 is an apocalyptic number.

It is an amenable number.

676565645 is a deficient number, since it is larger than the sum of its proper divisors (252735475).

676565645 is a wasteful number, since it uses less digits than its factorization.

676565645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30004.

The product of its digits is 4536000, while the sum is 50.

The square root of 676565645 is about 26010.8755139076. The cubic root of 676565645 is about 877.8830161022.

The spelling of 676565645 in words is "six hundred seventy-six million, five hundred sixty-five thousand, six hundred forty-five".