8771253768 has 48 divisors (see below), whose sum is σ = 25152863580. Its totient is φ = 2751765504.

The previous prime is 8771253719. The next prime is 8771253769. The reversal of 8771253768 is 8673521778.

It can be written as a sum of positive squares in 2 ways, for example, as 8401922244 + 369331524 = 91662^2 + 19218^2 .

It is not an unprimeable number, because it can be changed into a prime (8771253769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3581805 + ... + 3584252.

Almost surely, 2^8771253768 is an apocalyptic number.

It is an amenable number.

8771253768 is an abundant number, since it is smaller than the sum of its proper divisors (16381609812).

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

8771253768 is a wasteful number, since it uses less digits than its factorization.

8771253768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166086 (or 7166079 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 8771253768 is about 93654.9719342225. The cubic root of 8771253768 is about 2062.3097359254.

The spelling of 8771253768 in words is "eight billion, seven hundred seventy-one million, two hundred fifty-three thousand, seven hundred sixty-eight".