85310783 has 2 divisors, whose sum is σ = 85310784. Its totient is φ = 85310782.

The previous prime is 85310767. The next prime is 85310807. The reversal of 85310783 is 38701358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85310783 - 2⁴ = 85310767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85310713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42655391 + 42655392.

It is an arithmetic number, because the mean of its divisors is an integer number (42655392).

Almost surely, 2^85310783 is an apocalyptic number.

85310783 is a deficient number, since it is larger than the sum of its proper divisors (1).

85310783 is an equidigital number, since it uses as much as digits as its factorization.

85310783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85310783 is about 9236.3836537900. The cubic root of 85310783 is about 440.2181820818.

The spelling of 85310783 in words is "eighty-five million, three hundred ten thousand, seven hundred eighty-three".