8861763138 has 8 divisors (see below), whose sum is σ = 17723526288. Its totient is φ = 2953921044.

The previous prime is 8861763109. The next prime is 8861763139. The reversal of 8861763138 is 8313671688.

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

8861763138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8861763139) 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, 738480256 + ... + 738480267.

It is an arithmetic number, because the mean of its divisors is an integer number (2215440786).

Almost surely, 2^8861763138 is an apocalyptic number.

8861763138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8861763138 is a wasteful number, since it uses less digits than its factorization.

8861763138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476960528.

The product of its digits is 1161216, while the sum is 51.

The square root of 8861763138 is about 94136.9382229951. The cubic root of 8861763138 is about 2069.3790398622.

The spelling of 8861763138 in words is "eight billion, eight hundred sixty-one million, seven hundred sixty-three thousand, one hundred thirty-eight".