85829238617 has 2 divisors, whose sum is σ = 85829238618. Its totient is φ = 85829238616.

The previous prime is 85829238601. The next prime is 85829238629. The reversal of 85829238617 is 71683292858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56114029456 + 29715209161 = 236884^2 + 172381^2 .

It is a cyclic number.

It is not a de Polignac number, because 85829238617 - 2⁴ = 85829238601 is a prime.

It is a super-3 number, since 3×85829238617³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85829238647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42914619308 + 42914619309.

It is an arithmetic number, because the mean of its divisors is an integer number (42914619309).

Almost surely, 2^85829238617 is an apocalyptic number.

It is an amenable number.

85829238617 is a deficient number, since it is larger than the sum of its proper divisors (1).

85829238617 is an equidigital number, since it uses as much as digits as its factorization.

85829238617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The spelling of 85829238617 in words is "eighty-five billion, eight hundred twenty-nine million, two hundred thirty-eight thousand, six hundred seventeen".