84982178263 has 2 divisors, whose sum is σ = 84982178264. Its totient is φ = 84982178262.

The previous prime is 84982178221. The next prime is 84982178287. The reversal of 84982178263 is 36287128948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84982178263 - 2²¹ = 84980081111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84982178198 and 84982178207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84982178063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42491089131 + 42491089132.

It is an arithmetic number, because the mean of its divisors is an integer number (42491089132).

Almost surely, 2^84982178263 is an apocalyptic number.

84982178263 is a deficient number, since it is larger than the sum of its proper divisors (1).

84982178263 is an equidigital number, since it uses as much as digits as its factorization.

84982178263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 58.

The spelling of 84982178263 in words is "eighty-four billion, nine hundred eighty-two million, one hundred seventy-eight thousand, two hundred sixty-three".