8028868868 has 24 divisors (see below), whose sum is σ = 15030405432. Its totient is φ = 3739336704.

The previous prime is 8028868843. The next prime is 8028868873. The reversal of 8028868868 is 8688688208.

It can be written as a sum of positive squares in 4 ways, for example, as 3658072324 + 4370796544 = 60482^2 + 66112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8028868868.

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, 602021 + ... + 615212.

It is an arithmetic number, because the mean of its divisors is an integer number (626266893).

Almost surely, 2^8028868868 is an apocalyptic number.

It is an amenable number.

8028868868 is a deficient number, since it is larger than the sum of its proper divisors (7001536564).

8028868868 is a wasteful number, since it uses less digits than its factorization.

8028868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217351 (or 1217349 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 62.

The square root of 8028868868 is about 89603.9556492904. The cubic root of 8028868868 is about 2002.4028509974.

The spelling of 8028868868 in words is "eight billion, twenty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-eight".