670772873678 has 32 divisors (see below), whose sum is σ = 1058549990400. Its totient is φ = 318171589120.

The previous prime is 670772873677. The next prime is 670772873707. The reversal of 670772873678 is 876378277076.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670772873677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351983 + ... + 3546453.

It is an arithmetic number, because the mean of its divisors is an integer number (33079687200).

Almost surely, 2^670772873678 is an apocalyptic number.

670772873678 is a deficient number, since it is larger than the sum of its proper divisors (387777116722).

670772873678 is a wasteful number, since it uses less digits than its factorization.

670772873678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195112.

The product of its (nonzero) digits is 232339968, while the sum is 68.

The spelling of 670772873678 in words is "six hundred seventy billion, seven hundred seventy-two million, eight hundred seventy-three thousand, six hundred seventy-eight".