8182420471 has 12 divisors (see below), whose sum is σ = 8828307400. Its totient is φ = 7562669760.

The previous prime is 8182420451. The next prime is 8182420517. The reversal of 8182420471 is 1740242818.

It is a happy number.

It is not a de Polignac number, because 8182420471 - 2⁵ = 8182420439 is a prime.

It is a super-3 number, since 3×8182420471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8182420471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8182420451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96156 + ... + 160033.

Almost surely, 2^8182420471 is an apocalyptic number.

8182420471 is a deficient number, since it is larger than the sum of its proper divisors (645886929).

8182420471 is a wasteful number, since it uses less digits than its factorization.

8182420471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256290 (or 256249 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 8182420471 is about 90456.7325907807. The cubic root of 8182420471 is about 2015.0876018455.

The spelling of 8182420471 in words is "eight billion, one hundred eighty-two million, four hundred twenty thousand, four hundred seventy-one".