84429076579 has 2 divisors, whose sum is σ = 84429076580. Its totient is φ = 84429076578.

The previous prime is 84429076561. The next prime is 84429076661. The reversal of 84429076579 is 97567092448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84429076579 - 2¹³ = 84429068387 is a prime.

It is not a weakly prime, because it can be changed into another prime (84429076559) 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, 42214538289 + 42214538290.

It is an arithmetic number, because the mean of its divisors is an integer number (42214538290).

Almost surely, 2^84429076579 is an apocalyptic number.

84429076579 is a deficient number, since it is larger than the sum of its proper divisors (1).

84429076579 is an equidigital number, since it uses as much as digits as its factorization.

84429076579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 84429076579 in words is "eighty-four billion, four hundred twenty-nine million, seventy-six thousand, five hundred seventy-nine".