85846433 has 2 divisors, whose sum is σ = 85846434. Its totient is φ = 85846432.

The previous prime is 85846417. The next prime is 85846441. The reversal of 85846433 is 33464858.

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., 85803169 + 43264 = 9263^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 85846433 - 2⁴ = 85846417 is a prime.

It is a super-2 number, since 2×85846433² = 14739220117646978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85846403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42923216 + 42923217.

It is an arithmetic number, because the mean of its divisors is an integer number (42923217).

Almost surely, 2^85846433 is an apocalyptic number.

It is an amenable number.

85846433 is a deficient number, since it is larger than the sum of its proper divisors (1).

85846433 is an equidigital number, since it uses as much as digits as its factorization.

85846433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 85846433 is about 9265.3350182279. The cubic root of 85846433 is about 441.1376088920.

The spelling of 85846433 in words is "eighty-five million, eight hundred forty-six thousand, four hundred thirty-three".