670205506867 has 8 divisors (see below), whose sum is σ = 721775534256. Its totient is φ = 618637730592.

The previous prime is 670205506847. The next prime is 670205506879. The reversal of 670205506867 is 768605502076.

670205506867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670205506867 - 2¹¹ = 670205504819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670205506837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83028 + ... + 1160734.

It is an arithmetic number, because the mean of its divisors is an integer number (90221941782).

Almost surely, 2^670205506867 is an apocalyptic number.

670205506867 is a deficient number, since it is larger than the sum of its proper divisors (51570027389).

670205506867 is a wasteful number, since it uses less digits than its factorization.

670205506867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125557.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 670205506867 in words is "six hundred seventy billion, two hundred five million, five hundred six thousand, eight hundred sixty-seven".