676866503709 has 48 divisors (see below), whose sum is σ = 1106219412480. Its totient is φ = 410170566960.

The previous prime is 676866503707. The next prime is 676866503749. The reversal of 676866503709 is 907305668676.

676866503709 is a `hidden beast` number, since 6 + 7 + 68 + 66 + 503 + 7 + 0 + 9 = 666.

It is not a de Polignac number, because 676866503709 - 2¹ = 676866503707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676866503701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42511452 + ... + 42527370.

It is an arithmetic number, because the mean of its divisors is an integer number (23046237760).

Almost surely, 2^676866503709 is an apocalyptic number.

It is an amenable number.

676866503709 is a deficient number, since it is larger than the sum of its proper divisors (429352908771).

676866503709 is a wasteful number, since it uses less digits than its factorization.

676866503709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31852 (or 31840 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 676866503709 in words is "six hundred seventy-six billion, eight hundred sixty-six million, five hundred three thousand, seven hundred nine".