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872872223 is a prime number
BaseRepresentation
bin110100000001101…
…111100100011111
32020211110111120212
4310001233210133
53241423402343
6222340403035
730426201656
oct6401574437
92224414525
10872872223
11408793903
122043a647b
1310bab8b52
1483cd819d
155196dc18
hex3406f91f

872872223 has 2 divisors, whose sum is σ = 872872224. Its totient is φ = 872872222.

The previous prime is 872872213. The next prime is 872872237. The reversal of 872872223 is 322278278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872872223 - 24 = 872872207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872872213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436436111 + 436436112.

It is an arithmetic number, because the mean of its divisors is an integer number (436436112).

Almost surely, 2872872223 is an apocalyptic number.

872872223 is a deficient number, since it is larger than the sum of its proper divisors (1).

872872223 is an equidigital number, since it uses as much as digits as its factorization.

872872223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 872872223 is about 29544.4110281454. The cubic root of 872872223 is about 955.6896685783.

The spelling of 872872223 in words is "eight hundred seventy-two million, eight hundred seventy-two thousand, two hundred twenty-three".