8100870 has 16 divisors (see below), whose sum is σ = 19442160. Its totient is φ = 2160224.

The previous prime is 8100811. The next prime is 8100871. The reversal of 8100870 is 780018.

8100870 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8100870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134985 + ... + 135044.

It is an arithmetic number, because the mean of its divisors is an integer number (1215135).

Almost surely, 2^8100870 is an apocalyptic number.

8100870 is an abundant number, since it is smaller than the sum of its proper divisors (11341290).

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

8100870 is a wasteful number, since it uses less digits than its factorization.

8100870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270039.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 8100870 is about 2846.2027334679. The cubic root of 8100870 is about 200.8370749730.

Adding to 8100870 its reverse (780018), we get a palindrome (8880888).

The spelling of 8100870 in words is "eight million, one hundred thousand, eight hundred seventy".