84681832783 has 2 divisors, whose sum is σ = 84681832784. Its totient is φ = 84681832782.

The previous prime is 84681832769. The next prime is 84681832819. The reversal of 84681832783 is 38723818648.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84681832783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84681832483) 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, 42340916391 + 42340916392.

It is an arithmetic number, because the mean of its divisors is an integer number (42340916392).

Almost surely, 2^84681832783 is an apocalyptic number.

84681832783 is a deficient number, since it is larger than the sum of its proper divisors (1).

84681832783 is an equidigital number, since it uses as much as digits as its factorization.

84681832783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 58.

The spelling of 84681832783 in words is "eighty-four billion, six hundred eighty-one million, eight hundred thirty-two thousand, seven hundred eighty-three".