670128095277 has 12 divisors (see below), whose sum is σ = 971457258460. Its totient is φ = 445139238528.

The previous prime is 670128095251. The next prime is 670128095281. The reversal of 670128095277 is 772590821076.

It is a happy number.

670128095277 is a `hidden beast` number, since 6 + 7 + 0 + 1 + 280 + 95 + 277 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 224784084996 + 445344010281 = 474114^2 + 667341^2 .

It is not a de Polignac number, because 670128095277 - 2³⁰ = 669054353453 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 (670128095177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134399452 + ... + 134404437.

Almost surely, 2^670128095277 is an apocalyptic number.

It is an amenable number.

670128095277 is a deficient number, since it is larger than the sum of its proper divisors (301329163183).

670128095277 is a wasteful number, since it uses less digits than its factorization.

670128095277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268804172 (or 268804169 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 670128095277 in words is "six hundred seventy billion, one hundred twenty-eight million, ninety-five thousand, two hundred seventy-seven".