8028861628 has 6 divisors (see below), whose sum is σ = 14050507856. Its totient is φ = 4014430812.

The previous prime is 8028861611. The next prime is 8028861653. The reversal of 8028861628 is 8261688208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003607700 + ... + 1003607707.

Almost surely, 2^8028861628 is an apocalyptic number.

It is an amenable number.

8028861628 is a deficient number, since it is larger than the sum of its proper divisors (6021646228).

8028861628 is a wasteful number, since it uses less digits than its factorization.

8028861628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007215411 (or 2007215409 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 8028861628 is about 89603.9152492791. The cubic root of 8028861628 is about 2002.4022491110.

The spelling of 8028861628 in words is "eight billion, twenty-eight million, eight hundred sixty-one thousand, six hundred twenty-eight".