8680855138 has 8 divisors (see below), whose sum is σ = 13022823132. Its totient is φ = 4339914096.

The previous prime is 8680855133. The next prime is 8680855171. The reversal of 8680855138 is 8315580868.

It can be written as a sum of positive squares in 2 ways, for example, as 8660721969 + 20133169 = 93063^2 + 4487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8680855133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235245 + ... + 269632.

Almost surely, 2^8680855138 is an apocalyptic number.

8680855138 is a deficient number, since it is larger than the sum of its proper divisors (4341967994).

8680855138 is a wasteful number, since it uses less digits than its factorization.

8680855138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513476.

The product of its (nonzero) digits is 1843200, while the sum is 52.

The square root of 8680855138 is about 93171.1067767256. The cubic root of 8680855138 is about 2055.2003710197.

The spelling of 8680855138 in words is "eight billion, six hundred eighty million, eight hundred fifty-five thousand, one hundred thirty-eight".