85994633 has 2 divisors, whose sum is σ = 85994634. Its totient is φ = 85994632.

The previous prime is 85994611. The next prime is 85994639. The reversal of 85994633 is 33649958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85969984 + 24649 = 9272^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 85994633 - 2¹⁸ = 85732489 is a prime.

It is not a weakly prime, because it can be changed into another prime (85994639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42997316 + 42997317.

It is an arithmetic number, because the mean of its divisors is an integer number (42997317).

Almost surely, 2^85994633 is an apocalyptic number.

It is an amenable number.

85994633 is a deficient number, since it is larger than the sum of its proper divisors (1).

85994633 is an equidigital number, since it uses as much as digits as its factorization.

85994633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 85994633 is about 9273.3291217340. The cubic root of 85994633 is about 441.3913138964.

The spelling of 85994633 in words is "eighty-five million, nine hundred ninety-four thousand, six hundred thirty-three".