85852471 has 2 divisors, whose sum is σ = 85852472. Its totient is φ = 85852470.

The previous prime is 85852447. The next prime is 85852511. The reversal of 85852471 is 17425858.

It is an a-pointer prime, because the next prime (85852511) can be obtained adding 85852471 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85852471 - 2⁷ = 85852343 is a prime.

It is a super-3 number, since 3×85852471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85859471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42926235 + 42926236.

It is an arithmetic number, because the mean of its divisors is an integer number (42926236).

Almost surely, 2^85852471 is an apocalyptic number.

85852471 is a deficient number, since it is larger than the sum of its proper divisors (1).

85852471 is an equidigital number, since it uses as much as digits as its factorization.

85852471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89600, while the sum is 40.

The square root of 85852471 is about 9265.6608506895. The cubic root of 85852471 is about 441.1479511056.

The spelling of 85852471 in words is "eighty-five million, eight hundred fifty-two thousand, four hundred seventy-one".