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87474038063 is a prime number
BaseRepresentation
bin101000101110111011…
…0111110010100101111
322100210012211112202112
41101131312332110233
52413121323204223
6104103544114235
76214455025016
oct1213566762457
9270705745675
1087474038063
11341088a5545
1214b52a6597b
138330702b49
14433b64da7d
15241e723778
hex145ddbe52f

87474038063 has 2 divisors, whose sum is σ = 87474038064. Its totient is φ = 87474038062.

The previous prime is 87474038023. The next prime is 87474038123. The reversal of 87474038063 is 36083047478.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87474038063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87474038023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43737019031 + 43737019032.

It is an arithmetic number, because the mean of its divisors is an integer number (43737019032).

Almost surely, 287474038063 is an apocalyptic number.

87474038063 is a deficient number, since it is larger than the sum of its proper divisors (1).

87474038063 is an equidigital number, since it uses as much as digits as its factorization.

87474038063 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 50.

The spelling of 87474038063 in words is "eighty-seven billion, four hundred seventy-four million, thirty-eight thousand, sixty-three".