670838806837 has 4 divisors (see below), whose sum is σ = 706146112480. Its totient is φ = 635531501196.

The previous prime is 670838806801. The next prime is 670838806849. The reversal of 670838806837 is 738608838076.

670838806837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670838806837 - 2¹⁹ = 670838282549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670838803837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17653652793 + ... + 17653652830.

It is an arithmetic number, because the mean of its divisors is an integer number (176536528120).

Almost surely, 2^670838806837 is an apocalyptic number.

It is an amenable number.

670838806837 is a deficient number, since it is larger than the sum of its proper divisors (35307305643).

670838806837 is a wasteful number, since it uses less digits than its factorization.

670838806837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35307305642.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 670838806837 in words is "six hundred seventy billion, eight hundred thirty-eight million, eight hundred six thousand, eight hundred thirty-seven".