85973933 has 2 divisors, whose sum is σ = 85973934. Its totient is φ = 85973932.

The previous prime is 85973873. The next prime is 85973941. The reversal of 85973933 is 33937958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 6086089 = 8938^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 85973933 - 2⁶ = 85973869 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 (85973963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42986966 + 42986967.

It is an arithmetic number, because the mean of its divisors is an integer number (42986967).

Almost surely, 2^85973933 is an apocalyptic number.

It is an amenable number.

85973933 is a deficient number, since it is larger than the sum of its proper divisors (1).

85973933 is an equidigital number, since it uses as much as digits as its factorization.

85973933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The square root of 85973933 is about 9272.2129505313. The cubic root of 85973933 is about 441.3558948898.

The spelling of 85973933 in words is "eighty-five million, nine hundred seventy-three thousand, nine hundred thirty-three".