8506401471 has 6 divisors (see below), whose sum is σ = 12287024360. Its totient is φ = 5670934308.

The previous prime is 8506401451. The next prime is 8506401499. The reversal of 8506401471 is 1741046058.

It is a happy number.

8506401471 is a `hidden beast` number, since 8 + 5 + 0 + 640 + 1 + 4 + 7 + 1 = 666.

It is not a de Polignac number, because 8506401471 - 2¹³ = 8506393279 is a prime.

It is a super-3 number, since 3×8506401471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506401451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472577851 + ... + 472577868.

Almost surely, 2^8506401471 is an apocalyptic number.

8506401471 is a deficient number, since it is larger than the sum of its proper divisors (3780622889).

8506401471 is a wasteful number, since it uses less digits than its factorization.

8506401471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945155725 (or 945155722 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8506401471 is about 92230.1548898190. The cubic root of 8506401471 is about 2041.3397478261.

The spelling of 8506401471 in words is "eight billion, five hundred six million, four hundred one thousand, four hundred seventy-one".