8723788818 has 16 divisors (see below), whose sum is σ = 18206168256. Its totient is φ = 2781497840.

The previous prime is 8723788807. The next prime is 8723788831. The reversal of 8723788818 is 8188873278.

It is a super-2 number, since 2×8723788818² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31607793 + ... + 31608068.

It is an arithmetic number, because the mean of its divisors is an integer number (1137885516).

Almost surely, 2^8723788818 is an apocalyptic number.

8723788818 is an abundant number, since it is smaller than the sum of its proper divisors (9482379438).

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

8723788818 is a wasteful number, since it uses less digits than its factorization.

8723788818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63215889.

The product of its digits is 9633792, while the sum is 60.

The square root of 8723788818 is about 93401.2249277278. The cubic root of 8723788818 is about 2058.5829965148.

The spelling of 8723788818 in words is "eight billion, seven hundred twenty-three million, seven hundred eighty-eight thousand, eight hundred eighteen".