85783393 has 2 divisors, whose sum is σ = 85783394. Its totient is φ = 85783392.

The previous prime is 85783367. The next prime is 85783403. The reversal of 85783393 is 39338758.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50594769 + 35188624 = 7113^2 + 5932^2 .

It is a cyclic number.

It is not a de Polignac number, because 85783393 - 2⁹ = 85782881 is a prime.

It is not a weakly prime, because it can be changed into another prime (85783333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42891696 + 42891697.

It is an arithmetic number, because the mean of its divisors is an integer number (42891697).

Almost surely, 2^85783393 is an apocalyptic number.

It is an amenable number.

85783393 is a deficient number, since it is larger than the sum of its proper divisors (1).

85783393 is an equidigital number, since it uses as much as digits as its factorization.

85783393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 85783393 is about 9261.9324657439. The cubic root of 85783393 is about 441.0296015904.

The spelling of 85783393 in words is "eighty-five million, seven hundred eighty-three thousand, three hundred ninety-three".