8739218380 has 24 divisors (see below), whose sum is σ = 18356184000. Its totient is φ = 3494958720.

The previous prime is 8739218357. The next prime is 8739218387. The reversal of 8739218380 is 838129378.

It is not an unprimeable number, because it can be changed into a prime (8739218387) 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, 58621 + ... + 144619.

It is an arithmetic number, because the mean of its divisors is an integer number (764841000).

Almost surely, 2^8739218380 is an apocalyptic number.

It is an amenable number.

8739218380 is an abundant number, since it is smaller than the sum of its proper divisors (9616965620).

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

8739218380 is a wasteful number, since it uses less digits than its factorization.

8739218380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91089 (or 91087 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 8739218380 is about 93483.7867226184. The cubic root of 8739218380 is about 2059.7959376209.

The spelling of 8739218380 in words is "eight billion, seven hundred thirty-nine million, two hundred eighteen thousand, three hundred eighty".