8457275481 has 48 divisors (see below), whose sum is σ = 12728072640. Its totient is φ = 4984519680.

The previous prime is 8457275461. The next prime is 8457275537. The reversal of 8457275481 is 1845727548.

It is a happy number.

It is not a de Polignac number, because 8457275481 - 2⁶ = 8457275417 is a prime.

It is a super-2 number, since 2×8457275481² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (8457275461) 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 in 47 ways as a sum of consecutive naturals, for example, 925746 + ... + 934836.

It is an arithmetic number, because the mean of its divisors is an integer number (265168180).

Almost surely, 2^8457275481 is an apocalyptic number.

It is an amenable number.

8457275481 is a deficient number, since it is larger than the sum of its proper divisors (4270797159).

8457275481 is a wasteful number, since it uses less digits than its factorization.

8457275481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194 (or 9177 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 51.

The square root of 8457275481 is about 91963.4464393326. The cubic root of 8457275481 is about 2037.4024578293.

The spelling of 8457275481 in words is "eight billion, four hundred fifty-seven million, two hundred seventy-five thousand, four hundred eighty-one".