84958076579 has 2 divisors, whose sum is σ = 84958076580. Its totient is φ = 84958076578.

The previous prime is 84958076573. The next prime is 84958076611. The reversal of 84958076579 is 97567085948.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84958076579 - 2²⁰ = 84957028003 is a prime.

It is not a weakly prime, because it can be changed into another prime (84958076573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42479038289 + 42479038290.

It is an arithmetic number, because the mean of its divisors is an integer number (42479038290).

Almost surely, 2^84958076579 is an apocalyptic number.

84958076579 is a deficient number, since it is larger than the sum of its proper divisors (1).

84958076579 is an equidigital number, since it uses as much as digits as its factorization.

84958076579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 68.

The spelling of 84958076579 in words is "eighty-four billion, nine hundred fifty-eight million, seventy-six thousand, five hundred seventy-nine".