85417064287 has 2 divisors, whose sum is σ = 85417064288. Its totient is φ = 85417064286.

The previous prime is 85417064263. The next prime is 85417064339. The reversal of 85417064287 is 78246071458.

It is an a-pointer prime, because the next prime (85417064339) can be obtained adding 85417064287 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85417064287 - 2³⁵ = 51057325919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85417064387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42708532143 + 42708532144.

It is an arithmetic number, because the mean of its divisors is an integer number (42708532144).

Almost surely, 2^85417064287 is an apocalyptic number.

85417064287 is a deficient number, since it is larger than the sum of its proper divisors (1).

85417064287 is an equidigital number, since it uses as much as digits as its factorization.

85417064287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 85417064287 in words is "eighty-five billion, four hundred seventeen million, sixty-four thousand, two hundred eighty-seven".