8115430812 has 12 divisors (see below), whose sum is σ = 18936005256. Its totient is φ = 2705143600.

The previous prime is 8115430801. The next prime is 8115430859. The reversal of 8115430812 is 2180345118.

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

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, 338142939 + ... + 338142962.

It is an arithmetic number, because the mean of its divisors is an integer number (1578000438).

Almost surely, 2^8115430812 is an apocalyptic number.

It is an amenable number.

8115430812 is an abundant number, since it is smaller than the sum of its proper divisors (10820574444).

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

8115430812 is a wasteful number, since it uses less digits than its factorization.

8115430812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676285908 (or 676285906 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 8115430812 is about 90085.6859439945. The cubic root of 8115430812 is about 2009.5733368289.

The spelling of 8115430812 in words is "eight billion, one hundred fifteen million, four hundred thirty thousand, eight hundred twelve".