8400084484079 has 2 divisors, whose sum is σ = 8400084484080. Its totient is φ = 8400084484078.

The previous prime is 8400084484027. The next prime is 8400084484117. The reversal of 8400084484079 is 9704844800048.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8400084484079 - 2¹⁶ = 8400084418543 is a prime.

It is a super-2 number, since 2×8400084484079² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8400084489079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200042242039 + 4200042242040.

It is an arithmetic number, because the mean of its divisors is an integer number (4200042242040).

Almost surely, 2^{8400084484079} is an apocalyptic number.

8400084484079 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400084484079 is an equidigital number, since it uses as much as digits as its factorization.

8400084484079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 8400084484079 in words is "eight trillion, four hundred billion, eighty-four million, four hundred eighty-four thousand, seventy-nine".