86157368256941 has 2 divisors, whose sum is σ = 86157368256942. Its totient is φ = 86157368256940.

The previous prime is 86157368256899. The next prime is 86157368256991. The reversal of 86157368256941 is 14965286375168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53408691015625 + 32748677241316 = 7308125^2 + 5722646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86157368256941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86157368256991) 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, 43078684128470 + 43078684128471.

It is an arithmetic number, because the mean of its divisors is an integer number (43078684128471).

Almost surely, 2^{86157368256941} is an apocalyptic number.

It is an amenable number.

86157368256941 is a deficient number, since it is larger than the sum of its proper divisors (1).

86157368256941 is an equidigital number, since it uses as much as digits as its factorization.

86157368256941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 522547200, while the sum is 71.

The spelling of 86157368256941 in words is "eighty-six trillion, one hundred fifty-seven billion, three hundred sixty-eight million, two hundred fifty-six thousand, nine hundred forty-one".