84535471 has 2 divisors, whose sum is σ = 84535472. Its totient is φ = 84535470.

The previous prime is 84535433. The next prime is 84535483. The reversal of 84535471 is 17453548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84535471 - 2¹³ = 84527279 is a prime.

It is a super-3 number, since 3×84535471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84535471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84535411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42267735 + 42267736.

It is an arithmetic number, because the mean of its divisors is an integer number (42267736).

Almost surely, 2^84535471 is an apocalyptic number.

84535471 is a deficient number, since it is larger than the sum of its proper divisors (1).

84535471 is an equidigital number, since it uses as much as digits as its factorization.

84535471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 84535471 is about 9194.3173210413. The cubic root of 84535471 is about 438.8805409677.

It can be divided in two parts, 8453547 and 1, that added together give a palindrome (8453548).

The spelling of 84535471 in words is "eighty-four million, five hundred thirty-five thousand, four hundred seventy-one".