84953868799 has 2 divisors, whose sum is σ = 84953868800. Its totient is φ = 84953868798.

The previous prime is 84953868761. The next prime is 84953868823. The reversal of 84953868799 is 99786835948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84953868799 - 2⁹ = 84953868287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84953868709) 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, 42476934399 + 42476934400.

It is an arithmetic number, because the mean of its divisors is an integer number (42476934400).

Almost surely, 2^84953868799 is an apocalyptic number.

84953868799 is a deficient number, since it is larger than the sum of its proper divisors (1).

84953868799 is an equidigital number, since it uses as much as digits as its factorization.

84953868799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940584960, while the sum is 76.

The spelling of 84953868799 in words is "eighty-four billion, nine hundred fifty-three million, eight hundred sixty-eight thousand, seven hundred ninety-nine".