85484817959 has 2 divisors, whose sum is σ = 85484817960. Its totient is φ = 85484817958.

The previous prime is 85484817931. The next prime is 85484817973. The reversal of 85484817959 is 95971848458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85484817959 - 2¹² = 85484813863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85484813959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42742408979 + 42742408980.

It is an arithmetic number, because the mean of its divisors is an integer number (42742408980).

Almost surely, 2^85484817959 is an apocalyptic number.

85484817959 is a deficient number, since it is larger than the sum of its proper divisors (1).

85484817959 is an equidigital number, since it uses as much as digits as its factorization.

85484817959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 68.

The spelling of 85484817959 in words is "eighty-five billion, four hundred eighty-four million, eight hundred seventeen thousand, nine hundred fifty-nine".