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86704610687 is a prime number
BaseRepresentation
bin101000010111111111…
…1110101110101111111
322021210121000120211022
41100233333311311333
52410032340020222
6103455340414355
76156423013352
oct1205777656577
9267717016738
1086704610687
1133853546352
12149792473bb
13823a195786
1442a73a2299
1523c6dda042
hex142fff5d7f

86704610687 has 2 divisors, whose sum is σ = 86704610688. Its totient is φ = 86704610686.

The previous prime is 86704610677. The next prime is 86704610753. The reversal of 86704610687 is 78601640768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86704610687 - 214 = 86704594303 is a prime.

It is a super-2 number, since 2×867046106872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86704610627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43352305343 + 43352305344.

It is an arithmetic number, because the mean of its divisors is an integer number (43352305344).

Almost surely, 286704610687 is an apocalyptic number.

86704610687 is a deficient number, since it is larger than the sum of its proper divisors (1).

86704610687 is an equidigital number, since it uses as much as digits as its factorization.

86704610687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 86704610687 in words is "eighty-six billion, seven hundred four million, six hundred ten thousand, six hundred eighty-seven".