8515488028 has 6 divisors (see below), whose sum is σ = 14902104056. Its totient is φ = 4257744012.

The previous prime is 8515488017. The next prime is 8515488029. The reversal of 8515488028 is 8208845158.

It is a super-2 number, since 2×8515488028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8515488029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064436000 + ... + 1064436007.

Almost surely, 2^8515488028 is an apocalyptic number.

It is an amenable number.

8515488028 is a deficient number, since it is larger than the sum of its proper divisors (6386616028).

8515488028 is a wasteful number, since it uses less digits than its factorization.

8515488028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128872011 (or 2128872009 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 49.

The square root of 8515488028 is about 92279.4019703205. The cubic root of 8515488028 is about 2042.0663437256.

The spelling of 8515488028 in words is "eight billion, five hundred fifteen million, four hundred eighty-eight thousand, twenty-eight".