8861871530 has 16 divisors (see below), whose sum is σ = 16049232864. Its totient is φ = 3523001040.

The previous prime is 8861871509. The next prime is 8861871539. The reversal of 8861871530 is 351781688.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8861871539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716736 + ... + 2719995.

It is an arithmetic number, because the mean of its divisors is an integer number (1003077054).

Almost surely, 2^8861871530 is an apocalyptic number.

8861871530 is a deficient number, since it is larger than the sum of its proper divisors (7187361334).

8861871530 is a wasteful number, since it uses less digits than its factorization.

8861871530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436901.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 8861871530 is about 94137.5139357313. The cubic root of 8861871530 is about 2069.3874769800.

The spelling of 8861871530 in words is "eight billion, eight hundred sixty-one million, eight hundred seventy-one thousand, five hundred thirty".