85475783 has 2 divisors, whose sum is σ = 85475784. Its totient is φ = 85475782.

The previous prime is 85475771. The next prime is 85475821. The reversal of 85475783 is 38757458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85475783 - 2¹⁴ = 85459399 is a prime.

It is a super-2 number, since 2×85475783² = 14612218958926178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85475713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42737891 + 42737892.

It is an arithmetic number, because the mean of its divisors is an integer number (42737892).

Almost surely, 2^85475783 is an apocalyptic number.

85475783 is a deficient number, since it is larger than the sum of its proper divisors (1).

85475783 is an equidigital number, since it uses as much as digits as its factorization.

85475783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 47.

The square root of 85475783 is about 9245.3114063292. The cubic root of 85475783 is about 440.5018086809.

The spelling of 85475783 in words is "eighty-five million, four hundred seventy-five thousand, seven hundred eighty-three".