8115461620 has 48 divisors (see below), whose sum is σ = 19482236928. Its totient is φ = 2781711360.

The previous prime is 8115461617. The next prime is 8115461687. The reversal of 8115461620 is 261645118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990340 + ... + 998500.

It is an arithmetic number, because the mean of its divisors is an integer number (405879936).

Almost surely, 2^8115461620 is an apocalyptic number.

It is an amenable number.

8115461620 is an abundant number, since it is smaller than the sum of its proper divisors (11366775308).

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

8115461620 is a wasteful number, since it uses less digits than its factorization.

8115461620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280 (or 15278 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8115461620 is about 90085.8569365913. The cubic root of 8115461620 is about 2009.5758797564.

The spelling of 8115461620 in words is "eight billion, one hundred fifteen million, four hundred sixty-one thousand, six hundred twenty".