84835250281 has 2 divisors, whose sum is σ = 84835250282. Its totient is φ = 84835250280.

The previous prime is 84835250239. The next prime is 84835250293. The reversal of 84835250281 is 18205253848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71214259600 + 13620990681 = 266860^2 + 116709^2 .

It is a cyclic number.

It is not a de Polignac number, because 84835250281 - 2²⁷ = 84701032553 is a prime.

It is a super-2 number, since 2×84835250281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84835250221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42417625140 + 42417625141.

It is an arithmetic number, because the mean of its divisors is an integer number (42417625141).

Almost surely, 2^84835250281 is an apocalyptic number.

It is an amenable number.

84835250281 is a deficient number, since it is larger than the sum of its proper divisors (1).

84835250281 is an equidigital number, since it uses as much as digits as its factorization.

84835250281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 84835250281 in words is "eighty-four billion, eight hundred thirty-five million, two hundred fifty thousand, two hundred eighty-one".