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872888017 is a prime number
BaseRepresentation
bin110100000001110…
…011011011010001
32020211111022020211
4310001303123101
53241424404032
6222341004121
730426266011
oct6401633321
92224438224
10872888017
114087a4761
122043b3641
1310bac30b1
1483cddc41
1551973747
hex340736d1

872888017 has 2 divisors, whose sum is σ = 872888018. Its totient is φ = 872888016.

The previous prime is 872888011. The next prime is 872888033. The reversal of 872888017 is 710888278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795465616 + 77422401 = 28204^2 + 8799^2 .

It is a cyclic number.

It is not a de Polignac number, because 872888017 - 27 = 872887889 is a prime.

It is not a weakly prime, because it can be changed into another prime (872888011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436444008 + 436444009.

It is an arithmetic number, because the mean of its divisors is an integer number (436444009).

Almost surely, 2872888017 is an apocalyptic number.

It is an amenable number.

872888017 is a deficient number, since it is larger than the sum of its proper divisors (1).

872888017 is an equidigital number, since it uses as much as digits as its factorization.

872888017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 401408, while the sum is 49.

The square root of 872888017 is about 29544.6783194537. The cubic root of 872888017 is about 955.6954327178.

The spelling of 872888017 in words is "eight hundred seventy-two million, eight hundred eighty-eight thousand, seventeen".