8457518471 has 2 divisors, whose sum is σ = 8457518472. Its totient is φ = 8457518470.

The previous prime is 8457518467. The next prime is 8457518483. The reversal of 8457518471 is 1748157548.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8457518471 - 2² = 8457518467 is a prime.

It is a super-3 number, since 3×8457518471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8457515471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228759235 + 4228759236.

It is an arithmetic number, because the mean of its divisors is an integer number (4228759236).

Almost surely, 2^8457518471 is an apocalyptic number.

8457518471 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457518471 is an equidigital number, since it uses as much as digits as its factorization.

8457518471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1254400, while the sum is 50.

The square root of 8457518471 is about 91964.7675525796. The cubic root of 8457518471 is about 2037.4219701684.

The spelling of 8457518471 in words is "eight billion, four hundred fifty-seven million, five hundred eighteen thousand, four hundred seventy-one".