84763079729 has 2 divisors, whose sum is σ = 84763079730. Its totient is φ = 84763079728.

The previous prime is 84763079719. The next prime is 84763079741. The reversal of 84763079729 is 92797036748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79271528704 + 5491551025 = 281552^2 + 74105^2 .

It is a cyclic number.

It is not a de Polignac number, because 84763079729 - 2⁸ = 84763079473 is a prime.

It is not a weakly prime, because it can be changed into another prime (84763079719) 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, 42381539864 + 42381539865.

It is an arithmetic number, because the mean of its divisors is an integer number (42381539865).

Almost surely, 2^84763079729 is an apocalyptic number.

It is an amenable number.

84763079729 is a deficient number, since it is larger than the sum of its proper divisors (1).

84763079729 is an equidigital number, since it uses as much as digits as its factorization.

84763079729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 84763079729 in words is "eighty-four billion, seven hundred sixty-three million, seventy-nine thousand, seven hundred twenty-nine".