8671231545 has 16 divisors (see below), whose sum is σ = 13924063680. Its totient is φ = 4607959104.

The previous prime is 8671231537. The next prime is 8671231549. The reversal of 8671231545 is 5451321768.

It is a happy number.

It is not a de Polignac number, because 8671231545 - 2³ = 8671231537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8671231497 and 8671231506.

It is not an unprimeable number, because it can be changed into a prime (8671231549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039315 + ... + 1047624.

It is an arithmetic number, because the mean of its divisors is an integer number (870253980).

Almost surely, 2^8671231545 is an apocalyptic number.

It is an amenable number.

8671231545 is a deficient number, since it is larger than the sum of its proper divisors (5252832135).

8671231545 is a wasteful number, since it uses less digits than its factorization.

8671231545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087224.

The product of its digits is 201600, while the sum is 42.

The square root of 8671231545 is about 93119.4477270994. The cubic root of 8671231545 is about 2054.4406253927.

The spelling of 8671231545 in words is "eight billion, six hundred seventy-one million, two hundred thirty-one thousand, five hundred forty-five".