7668281028 has 24 divisors (see below), whose sum is σ = 17913082432. Its totient is φ = 2553175584.

The previous prime is 7668281011. The next prime is 7668281039. The reversal of 7668281028 is 8201828667.

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, 353800 + ... + 374847.

Almost surely, 2^7668281028 is an apocalyptic number.

It is an amenable number.

7668281028 is an abundant number, since it is smaller than the sum of its proper divisors (10244801404).

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

7668281028 is a wasteful number, since it uses less digits than its factorization.

7668281028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729531 (or 729529 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 7668281028 is about 87568.7217446960. The cubic root of 7668281028 is about 1971.9656253308.

The spelling of 7668281028 in words is "seven billion, six hundred sixty-eight million, two hundred eighty-one thousand, twenty-eight".