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86669311 is a prime number
BaseRepresentation
bin1010010101001…
…11011111111111
320001002020221111
411022213133333
5134141404221
612333342451
72101451131
oct512473777
9201066844
1086669311
1144a16a33
1225037a27
1314c56c21
14b721051
15791ebe1
hex52a77ff

86669311 has 2 divisors, whose sum is σ = 86669312. Its totient is φ = 86669310.

The previous prime is 86669299. The next prime is 86669339. The reversal of 86669311 is 11396668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86669311 - 217 = 86538239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86669411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43334655 + 43334656.

It is an arithmetic number, because the mean of its divisors is an integer number (43334656).

Almost surely, 286669311 is an apocalyptic number.

86669311 is a deficient number, since it is larger than the sum of its proper divisors (1).

86669311 is an equidigital number, since it uses as much as digits as its factorization.

86669311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 86669311 is about 9309.6353849117. The cubic root of 86669311 is about 442.5426322146.

The spelling of 86669311 in words is "eighty-six million, six hundred sixty-nine thousand, three hundred eleven".