8563781152 has 12 divisors (see below), whose sum is σ = 16859944206. Its totient is φ = 4281890560.

The previous prime is 8563781119. The next prime is 8563781167. The reversal of 8563781152 is 2511873658.

It can be written as a sum of positive squares in only one way, i.e., 8531108496 + 32672656 = 92364^2 + 5716^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133809049 + ... + 133809112.

Almost surely, 2^8563781152 is an apocalyptic number.

It is an amenable number.

8563781152 is a deficient number, since it is larger than the sum of its proper divisors (8296163054).

8563781152 is a wasteful number, since it uses less digits than its factorization.

8563781152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267618171 (or 267618163 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 8563781152 is about 92540.6999757404. The cubic root of 8563781152 is about 2045.9193983257.

The spelling of 8563781152 in words is "eight billion, five hundred sixty-three million, seven hundred eighty-one thousand, one hundred fifty-two".