86285257250429 has 2 divisors, whose sum is σ = 86285257250430. Its totient is φ = 86285257250428.

The previous prime is 86285257250419. The next prime is 86285257250503. The reversal of 86285257250429 is 92405275258268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52288836134404 + 33996421116025 = 7231102^2 + 5830645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86285257250429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86285257250419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43142628625214 + 43142628625215.

It is an arithmetic number, because the mean of its divisors is an integer number (43142628625215).

Almost surely, 2^{86285257250429} is an apocalyptic number.

It is an amenable number.

86285257250429 is a deficient number, since it is larger than the sum of its proper divisors (1).

86285257250429 is an equidigital number, since it uses as much as digits as its factorization.

86285257250429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 86285257250429 in words is "eighty-six trillion, two hundred eighty-five billion, two hundred fifty-seven million, two hundred fifty thousand, four hundred twenty-nine".