8587640241 has 12 divisors (see below), whose sum is σ = 12527186100. Its totient is φ = 5668408800.

The previous prime is 8587640233. The next prime is 8587640251. The reversal of 8587640241 is 1420467858.

8587640241 is a `hidden beast` number, since 8 + 587 + 6 + 40 + 24 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7608200625 + 979439616 = 87225^2 + 31296^2 .

It is not a de Polignac number, because 8587640241 - 2³ = 8587640233 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8587640251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4722766 + ... + 4724583.

It is an arithmetic number, because the mean of its divisors is an integer number (1043932175).

Almost surely, 2^8587640241 is an apocalyptic number.

It is an amenable number.

8587640241 is a deficient number, since it is larger than the sum of its proper divisors (3939545859).

8587640241 is a wasteful number, since it uses less digits than its factorization.

8587640241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447456 (or 9447453 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 8587640241 is about 92669.5216400732. The cubic root of 8587640241 is about 2047.8176451284.

The spelling of 8587640241 in words is "eight billion, five hundred eighty-seven million, six hundred forty thousand, two hundred forty-one".