8781316652 has 12 divisors (see below), whose sum is σ = 15419754336. Its totient is φ = 4375672560.

The previous prime is 8781316619. The next prime is 8781316727. The reversal of 8781316652 is 2566131878.

It is a super-2 number, since 2×8781316652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8781316597 and 8781316606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745124 + ... + 3747467.

It is an arithmetic number, because the mean of its divisors is an integer number (1284979528).

Almost surely, 2^8781316652 is an apocalyptic number.

It is an amenable number.

8781316652 is a deficient number, since it is larger than the sum of its proper divisors (6638437684).

8781316652 is a wasteful number, since it uses less digits than its factorization.

8781316652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492888 (or 7492886 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 8781316652 is about 93708.6797047104. The cubic root of 8781316652 is about 2063.0981010777.

The spelling of 8781316652 in words is "eight billion, seven hundred eighty-one million, three hundred sixteen thousand, six hundred fifty-two".