84828890654401 has 2 divisors, whose sum is σ = 84828890654402. Its totient is φ = 84828890654400.

The previous prime is 84828890654323. The next prime is 84828890654479. The reversal of 84828890654401 is 10445609882848.

It is a balanced prime because it is at equal distance from previous prime (84828890654323) and next prime (84828890654479).

It can be written as a sum of positive squares in only one way, i.e., 68970782668225 + 15858107986176 = 8304865^2 + 3982224^2 .

It is a cyclic number.

It is not a de Polignac number, because 84828890654401 - 2⁴¹ = 82629867398849 is a prime.

It is not a weakly prime, because it can be changed into another prime (84828890654201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42414445327200 + 42414445327201.

It is an arithmetic number, because the mean of its divisors is an integer number (42414445327201).

Almost surely, 2^{84828890654401} is an apocalyptic number.

It is an amenable number.

84828890654401 is a deficient number, since it is larger than the sum of its proper divisors (1).

84828890654401 is an equidigital number, since it uses as much as digits as its factorization.

84828890654401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141557760, while the sum is 67.

The spelling of 84828890654401 in words is "eighty-four trillion, eight hundred twenty-eight billion, eight hundred ninety million, six hundred fifty-four thousand, four hundred one".