8475947491 has 8 divisors (see below), whose sum is σ = 9544762368. Its totient is φ = 7456845000.

The previous prime is 8475947483. The next prime is 8475947497. The reversal of 8475947491 is 1947495748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8475947491 - 2³ = 8475947483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8475947497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12427735 + ... + 12428416.

It is an arithmetic number, because the mean of its divisors is an integer number (1193095296).

Almost surely, 2^8475947491 is an apocalyptic number.

8475947491 is a deficient number, since it is larger than the sum of its proper divisors (1068814877).

8475947491 is a wasteful number, since it uses less digits than its factorization.

8475947491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24856193.

The product of its digits is 10160640, while the sum is 58.

The square root of 8475947491 is about 92064.9091185127. The cubic root of 8475947491 is about 2038.9007510923.

The spelling of 8475947491 in words is "eight billion, four hundred seventy-five million, nine hundred forty-seven thousand, four hundred ninety-one".