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BaseRepresentation
bin100001110110…
…001000100111
3121200202202122
4201312020213
54232404422
6514100155
7135262211
oct41661047
917622678
108872487
115010038
122b7a65b
131ab85c0
14126d5b1
15ba3d42
hex876227

8872487 has 16 divisors (see below), whose sum is σ = 10654560. Its totient is φ = 7299072.

The previous prime is 8872483. The next prime is 8872537. The reversal of 8872487 is 7842788.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8872487 - 22 = 8872483 is a prime.

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 8872487 = 143 + 2073 = 1403 + 1833.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8872481) 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 15 ways as a sum of consecutive naturals, for example, 3143 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (665910).

Almost surely, 28872487 is an apocalyptic number.

8872487 is a deficient number, since it is larger than the sum of its proper divisors (1782073).

8872487 is a wasteful number, since it uses less digits than its factorization.

8872487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162.

The product of its digits is 200704, while the sum is 44.

The square root of 8872487 is about 2978.6720195416. The cubic root of 8872487 is about 207.0213440771.

The spelling of 8872487 in words is "eight million, eight hundred seventy-two thousand, four hundred eighty-seven".