85013783 has 2 divisors, whose sum is σ = 85013784. Its totient is φ = 85013782.

The previous prime is 85013777. The next prime is 85013813. The reversal of 85013783 is 38731058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85013783 - 2¹⁶ = 84948247 is a prime.

It is a Chen prime.

It is equal to p_4944482 and since 85013783 and 4944482 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85013743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42506891 + 42506892.

It is an arithmetic number, because the mean of its divisors is an integer number (42506892).

Almost surely, 2^85013783 is an apocalyptic number.

85013783 is a deficient number, since it is larger than the sum of its proper divisors (1).

85013783 is an equidigital number, since it uses as much as digits as its factorization.

85013783 is an evil number, because the sum of its binary digits is even.

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

The square root of 85013783 is about 9220.2919151185. The cubic root of 85013783 is about 439.7067312268.

The spelling of 85013783 in words is "eighty-five million, thirteen thousand, seven hundred eighty-three".