8487136530 has 64 divisors (see below), whose sum is σ = 23184403200. Its totient is φ = 2208032640.

The previous prime is 8487136519. The next prime is 8487136561. The reversal of 8487136530 is 356317848.

8487136530 is a `hidden beast` number, since 8 + 4 + 87 + 1 + 36 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372270 + ... + 394409.

It is an arithmetic number, because the mean of its divisors is an integer number (362256300).

Almost surely, 2^8487136530 is an apocalyptic number.

8487136530 is an abundant number, since it is smaller than the sum of its proper divisors (14697266670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8487136530 is a wasteful number, since it uses less digits than its factorization.

8487136530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766736 (or 766730 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 8487136530 is about 92125.6561984771. The cubic root of 8487136530 is about 2039.7975361351.

The spelling of 8487136530 in words is "eight billion, four hundred eighty-seven million, one hundred thirty-six thousand, five hundred thirty".