4278312325257 has 32 divisors (see below), whose sum is σ = 6005386745856. Its totient is φ = 2704011024000.

The previous prime is 4278312325151. The next prime is 4278312325321. The reversal of 4278312325257 is 7525232138724.

It is a happy number.

It is not a de Polignac number, because 4278312325257 - 2¹⁰ = 4278312324233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4278312325957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4152157 + ... + 5079077.

It is an arithmetic number, because the mean of its divisors is an integer number (187668335808).

Almost surely, 2^{4278312325257} is an apocalyptic number.

It is an amenable number.

4278312325257 is a deficient number, since it is larger than the sum of its proper divisors (1727074420599).

4278312325257 is a wasteful number, since it uses less digits than its factorization.

4278312325257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927541.

The product of its digits is 5644800, while the sum is 51.

The spelling of 4278312325257 in words is "four trillion, two hundred seventy-eight billion, three hundred twelve million, three hundred twenty-five thousand, two hundred fifty-seven".