85044959 has 2 divisors, whose sum is σ = 85044960. Its totient is φ = 85044958.

The previous prime is 85044941. The next prime is 85044979. The reversal of 85044959 is 95944058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85044959 - 2¹⁶ = 84979423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85044979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42522479 + 42522480.

It is an arithmetic number, because the mean of its divisors is an integer number (42522480).

Almost surely, 2^85044959 is an apocalyptic number.

85044959 is a deficient number, since it is larger than the sum of its proper divisors (1).

85044959 is an equidigital number, since it uses as much as digits as its factorization.

85044959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 85044959 is about 9221.9823790766. The cubic root of 85044959 is about 439.7604739700.

The spelling of 85044959 in words is "eighty-five million, forty-four thousand, nine hundred fifty-nine".