85874933 has 2 divisors, whose sum is σ = 85874934. Its totient is φ = 85874932.

The previous prime is 85874909. The next prime is 85874941. The reversal of 85874933 is 33947858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 9102289 = 8762^2 + 3017^2 .

It is a cyclic number.

It is not a de Polignac number, because 85874933 - 2¹⁸ = 85612789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85873933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42937466 + 42937467.

It is an arithmetic number, because the mean of its divisors is an integer number (42937467).

Almost surely, 2^85874933 is an apocalyptic number.

It is an amenable number.

85874933 is a deficient number, since it is larger than the sum of its proper divisors (1).

85874933 is an equidigital number, since it uses as much as digits as its factorization.

85874933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 85874933 is about 9266.8728813986. The cubic root of 85874933 is about 441.1864209796.

The spelling of 85874933 in words is "eighty-five million, eight hundred seventy-four thousand, nine hundred thirty-three".