8115461619 has 16 divisors (see below), whose sum is σ = 10845499392. Its totient is φ = 5397883488.

The previous prime is 8115461617. The next prime is 8115461687. The reversal of 8115461619 is 9161645118.

It is a happy number.

8115461619 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8115461619 - 2¹ = 8115461617 is a prime.

It is a super-2 number, since 2×8115461619² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8115461617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254664 + ... + 4256570.

It is an arithmetic number, because the mean of its divisors is an integer number (677843712).

Almost surely, 2^8115461619 is an apocalyptic number.

8115461619 is a deficient number, since it is larger than the sum of its proper divisors (2730037773).

8115461619 is a wasteful number, since it uses less digits than its factorization.

8115461619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426.

The product of its digits is 51840, while the sum is 42.

The square root of 8115461619 is about 90085.8569310411. The cubic root of 8115461619 is about 2009.5758796739.

The spelling of 8115461619 in words is "eight billion, one hundred fifteen million, four hundred sixty-one thousand, six hundred nineteen".