8870005 has 16 divisors (see below), whose sum is σ = 11343024. Its totient is φ = 6635520.

The previous prime is 8870003. The next prime is 8870009. The reversal of 8870005 is 5000788.

8870005 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1521 + 8868484 = 39^2 + 2978^2 .

It is not a de Polignac number, because 8870005 - 2¹ = 8870003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8870003) 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, 20269 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (708939).

Almost surely, 2^8870005 is an apocalyptic number.

8870005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8870005 is a deficient number, since it is larger than the sum of its proper divisors (2473019).

8870005 is a wasteful number, since it uses less digits than its factorization.

8870005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 8870005 is about 2978.2553617848. The cubic root of 8870005 is about 207.0020381450.

The spelling of 8870005 in words is "eight million, eight hundred seventy thousand, five".