60857234861 has 2 divisors, whose sum is σ = 60857234862. Its totient is φ = 60857234860.

The previous prime is 60857234843. The next prime is 60857234881. The reversal of 60857234861 is 16843275806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52489559236 + 8367675625 = 229106^2 + 91475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60857234861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60857234881) 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, 30428617430 + 30428617431.

It is an arithmetic number, because the mean of its divisors is an integer number (30428617431).

Almost surely, 2^60857234861 is an apocalyptic number.

It is an amenable number.

60857234861 is a deficient number, since it is larger than the sum of its proper divisors (1).

60857234861 is an equidigital number, since it uses as much as digits as its factorization.

60857234861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 60857234861 in words is "sixty billion, eight hundred fifty-seven million, two hundred thirty-four thousand, eight hundred sixty-one".