85682783 has 2 divisors, whose sum is σ = 85682784. Its totient is φ = 85682782.

The previous prime is 85682759. The next prime is 85682813. The reversal of 85682783 is 38728658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85682783 - 2²² = 81488479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85682183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42841391 + 42841392.

It is an arithmetic number, because the mean of its divisors is an integer number (42841392).

Almost surely, 2^85682783 is an apocalyptic number.

85682783 is a deficient number, since it is larger than the sum of its proper divisors (1).

85682783 is an equidigital number, since it uses as much as digits as its factorization.

85682783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 85682783 is about 9256.4995003511. The cubic root of 85682783 is about 440.8571154209.

The spelling of 85682783 in words is "eighty-five million, six hundred eighty-two thousand, seven hundred eighty-three".