82474471 has 2 divisors, whose sum is σ = 82474472. Its totient is φ = 82474470.

The previous prime is 82474439. The next prime is 82474487. The reversal of 82474471 is 17447428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82474471 - 2⁵ = 82474439 is a prime.

It is a super-3 number, since 3×82474471³ (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 82474471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82474571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41237235 + 41237236.

It is an arithmetic number, because the mean of its divisors is an integer number (41237236).

Almost surely, 2^82474471 is an apocalyptic number.

82474471 is a deficient number, since it is larger than the sum of its proper divisors (1).

82474471 is an equidigital number, since it uses as much as digits as its factorization.

82474471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 37.

The square root of 82474471 is about 9081.5456283608. The cubic root of 82474471 is about 435.2844767995.

The spelling of 82474471 in words is "eighty-two million, four hundred seventy-four thousand, four hundred seventy-one".