84953868823 has 2 divisors, whose sum is σ = 84953868824. Its totient is φ = 84953868822.

The previous prime is 84953868799. The next prime is 84953868841. The reversal of 84953868823 is 32886835948.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84953868823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84953868863) 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, 42476934411 + 42476934412.

It is an arithmetic number, because the mean of its divisors is an integer number (42476934412).

Almost surely, 2^84953868823 is an apocalyptic number.

84953868823 is a deficient number, since it is larger than the sum of its proper divisors (1).

84953868823 is an equidigital number, since it uses as much as digits as its factorization.

84953868823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79626240, while the sum is 64.

The spelling of 84953868823 in words is "eighty-four billion, nine hundred fifty-three million, eight hundred sixty-eight thousand, eight hundred twenty-three".