8861729914 has 16 divisors (see below), whose sum is σ = 13634608680. Its totient is φ = 4317143040.

The previous prime is 8861729879. The next prime is 8861729923. The reversal of 8861729914 is 4199271688.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2146746889 + 6714983025 = 46333^2 + 81945^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7209 + ... + 133324.

Almost surely, 2^8861729914 is an apocalyptic number.

8861729914 is a deficient number, since it is larger than the sum of its proper divisors (4772878766).

8861729914 is a wasteful number, since it uses less digits than its factorization.

8861729914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141345.

The product of its digits is 1741824, while the sum is 55.

The square root of 8861729914 is about 94136.7617564998. The cubic root of 8861729914 is about 2069.3764537276.

The spelling of 8861729914 in words is "eight billion, eight hundred sixty-one million, seven hundred twenty-nine thousand, nine hundred fourteen".