8781490860 has 24 divisors (see below), whose sum is σ = 24588174576. Its totient is φ = 2341730880.

The previous prime is 8781490853. The next prime is 8781490877. The reversal of 8781490860 is 680941878.

8781490860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8781490860² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73179031 + ... + 73179150.

It is an arithmetic number, because the mean of its divisors is an integer number (1024507274).

Almost surely, 2^8781490860 is an apocalyptic number.

It is an amenable number.

8781490860 is an abundant number, since it is smaller than the sum of its proper divisors (15806683716).

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

8781490860 is a wasteful number, since it uses less digits than its factorization.

8781490860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146358193 (or 146358191 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 8781490860 is about 93709.6092191190. The cubic root of 8781490860 is about 2063.1117438996. Note that the first 3 decimals are identical.

The spelling of 8781490860 in words is "eight billion, seven hundred eighty-one million, four hundred ninety thousand, eight hundred sixty".