84783738271 has 2 divisors, whose sum is σ = 84783738272. Its totient is φ = 84783738270.

The previous prime is 84783738239. The next prime is 84783738341. The reversal of 84783738271 is 17283738748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84783738271 - 2⁵ = 84783738239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84783738371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42391869135 + 42391869136.

It is an arithmetic number, because the mean of its divisors is an integer number (42391869136).

Almost surely, 2^84783738271 is an apocalyptic number.

84783738271 is a deficient number, since it is larger than the sum of its proper divisors (1).

84783738271 is an equidigital number, since it uses as much as digits as its factorization.

84783738271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12644352, while the sum is 58.

The spelling of 84783738271 in words is "eighty-four billion, seven hundred eighty-three million, seven hundred thirty-eight thousand, two hundred seventy-one".