670866504967 has 4 divisors (see below), whose sum is σ = 670886853120. Its totient is φ = 670846156816.

The previous prime is 670866504863. The next prime is 670866504983. The reversal of 670866504967 is 769405668076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670866504967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670866504899 and 670866504908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670866504667) 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 3 ways as a sum of consecutive naturals, for example, 10124542 + ... + 10190587.

It is an arithmetic number, because the mean of its divisors is an integer number (167721713280).

Almost surely, 2^670866504967 is an apocalyptic number.

670866504967 is a deficient number, since it is larger than the sum of its proper divisors (20348153).

670866504967 is a wasteful number, since it uses less digits than its factorization.

670866504967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20348152.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 670866504967 in words is "six hundred seventy billion, eight hundred sixty-six million, five hundred four thousand, nine hundred sixty-seven".