8130660828 has 12 divisors (see below), whose sum is σ = 18971541960. Its totient is φ = 2710220272.

The previous prime is 8130660817. The next prime is 8130660833. The reversal of 8130660828 is 8280660318.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×8130660828² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8130660828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338777523 + ... + 338777546.

It is an arithmetic number, because the mean of its divisors is an integer number (1580961830).

Almost surely, 2^8130660828 is an apocalyptic number.

It is an amenable number.

8130660828 is an abundant number, since it is smaller than the sum of its proper divisors (10840881132).

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

8130660828 is a wasteful number, since it uses less digits than its factorization.

8130660828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677555076 (or 677555074 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 8130660828 is about 90170.1770431887. The cubic root of 8130660828 is about 2010.8296557682.

The spelling of 8130660828 in words is "eight billion, one hundred thirty million, six hundred sixty thousand, eight hundred twenty-eight".