670776667485 has 16 divisors (see below), whose sum is σ = 1073333422464. Its totient is φ = 357717304512.

The previous prime is 670776667453. The next prime is 670776667523. The reversal of 670776667485 is 584766677076.

It is not a de Polignac number, because 670776667485 - 2⁵ = 670776667453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706842 + ... + 2062731.

It is an arithmetic number, because the mean of its divisors is an integer number (67083338904).

Almost surely, 2^670776667485 is an apocalyptic number.

It is an amenable number.

670776667485 is a deficient number, since it is larger than the sum of its proper divisors (402556754979).

670776667485 is a wasteful number, since it uses less digits than its factorization.

670776667485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781444.

The product of its (nonzero) digits is 497871360, while the sum is 69.

The spelling of 670776667485 in words is "six hundred seventy billion, seven hundred seventy-six million, six hundred sixty-seven thousand, four hundred eighty-five".