8130870 has 96 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 1915200.

The previous prime is 8130869. The next prime is 8130877. The reversal of 8130870 is 780318.

It is a super-2 number, since 2×8130870² = 132222093913800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42475 + ... + 42665.

It is an arithmetic number, because the mean of its divisors is an integer number (247104).

Almost surely, 2^8130870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8130870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11860992).

8130870 is an abundant number, since it is smaller than the sum of its proper divisors (15591114).

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

8130870 is a wasteful number, since it uses less digits than its factorization.

8130870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 8130870 is about 2851.4680429561. The cubic root of 8130870 is about 201.0846899371.

The spelling of 8130870 in words is "eight million, one hundred thirty thousand, eight hundred seventy".