86714448857 has 2 divisors, whose sum is σ = 86714448858. Its totient is φ = 86714448856.

The previous prime is 86714448853. The next prime is 86714448871. The reversal of 86714448857 is 75884441768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68841165376 + 17873283481 = 262376^2 + 133691^2 .

It is a cyclic number.

It is not a de Polignac number, because 86714448857 - 2² = 86714448853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86714448857.

It is not a weakly prime, because it can be changed into another prime (86714448851) 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 as a sum of consecutive naturals, namely, 43357224428 + 43357224429.

It is an arithmetic number, because the mean of its divisors is an integer number (43357224429).

Almost surely, 2^86714448857 is an apocalyptic number.

It is an amenable number.

86714448857 is a deficient number, since it is larger than the sum of its proper divisors (1).

86714448857 is an equidigital number, since it uses as much as digits as its factorization.

86714448857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48168960, while the sum is 62.

The spelling of 86714448857 in words is "eighty-six billion, seven hundred fourteen million, four hundred forty-eight thousand, eight hundred fifty-seven".