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87659315407 is a prime number
BaseRepresentation
bin101000110100011100…
…1110000000011001111
322101021010110121111101
41101220321300003033
52414011241043112
6104134203203531
76222164613136
oct1215071600317
9271233417441
1087659315407
11341a3442114
1214ba4b165a7
13835cc03b01
1443580bc91d
152430b20757
hex1468e700cf

87659315407 has 2 divisors, whose sum is σ = 87659315408. Its totient is φ = 87659315406.

The previous prime is 87659315369. The next prime is 87659315441. The reversal of 87659315407 is 70451395678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87659315407 - 215 = 87659282639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87659315467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43829657703 + 43829657704.

It is an arithmetic number, because the mean of its divisors is an integer number (43829657704).

Almost surely, 287659315407 is an apocalyptic number.

87659315407 is a deficient number, since it is larger than the sum of its proper divisors (1).

87659315407 is an equidigital number, since it uses as much as digits as its factorization.

87659315407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 87659315407 in words is "eighty-seven billion, six hundred fifty-nine million, three hundred fifteen thousand, four hundred seven".