853607267857 has 2 divisors, whose sum is σ = 853607267858. Its totient is φ = 853607267856.

The previous prime is 853607267839. The next prime is 853607267869. The reversal of 853607267857 is 758762706358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565119041536 + 288488226321 = 751744^2 + 537111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853607267857 is a prime.

It is not a weakly prime, because it can be changed into another prime (853607267837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426803633928 + 426803633929.

It is an arithmetic number, because the mean of its divisors is an integer number (426803633929).

Almost surely, 2^853607267857 is an apocalyptic number.

It is an amenable number.

853607267857 is a deficient number, since it is larger than the sum of its proper divisors (1).

853607267857 is an equidigital number, since it uses as much as digits as its factorization.

853607267857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118540800, while the sum is 64.

The spelling of 853607267857 in words is "eight hundred fifty-three billion, six hundred seven million, two hundred sixty-seven thousand, eight hundred fifty-seven".