8531872347 has 8 divisors (see below), whose sum is σ = 11974557760. Its totient is φ = 5388550920.

The previous prime is 8531872343. The next prime is 8531872357. The reversal of 8531872347 is 7432781358.

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

It is not a de Polignac number, because 8531872347 - 2² = 8531872343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8531872296 and 8531872305.

It is not an unprimeable number, because it can be changed into a prime (8531872343) 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 7 ways as a sum of consecutive naturals, for example, 74840929 + ... + 74841042.

It is an arithmetic number, because the mean of its divisors is an integer number (1496819720).

Almost surely, 2^8531872347 is an apocalyptic number.

8531872347 is a deficient number, since it is larger than the sum of its proper divisors (3442685413).

8531872347 is a wasteful number, since it uses less digits than its factorization.

8531872347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149681993.

The product of its digits is 1128960, while the sum is 48.

The square root of 8531872347 is about 92368.1349113427. The cubic root of 8531872347 is about 2043.3751914341.

The spelling of 8531872347 in words is "eight billion, five hundred thirty-one million, eight hundred seventy-two thousand, three hundred forty-seven".