85383983 has 2 divisors, whose sum is σ = 85383984. Its totient is φ = 85383982.

The previous prime is 85383953. The next prime is 85383989. The reversal of 85383983 is 38938358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85383983 - 2⁶ = 85383919 is a prime.

It is a super-3 number, since 3×85383983³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85383989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42691991 + 42691992.

It is an arithmetic number, because the mean of its divisors is an integer number (42691992).

Almost surely, 2^85383983 is an apocalyptic number.

85383983 is a deficient number, since it is larger than the sum of its proper divisors (1).

85383983 is an equidigital number, since it uses as much as digits as its factorization.

85383983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 85383983 is about 9240.3453939774. The cubic root of 85383983 is about 440.3440542467.

It can be divided in two parts, 8538 and 3983, that added together give a palindrome (12521).

The spelling of 85383983 in words is "eighty-five million, three hundred eighty-three thousand, nine hundred eighty-three".