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87272663 is a prime number
BaseRepresentation
bin1010011001110…
…10110011010111
320002012220120212
411030322303113
5134320211123
612354320035
72106543152
oct514726327
9202186525
1087272663
1145299275
122528901b
131510873a
14b83ac99
1579dd878
hex533acd7

87272663 has 2 divisors, whose sum is σ = 87272664. Its totient is φ = 87272662.

The previous prime is 87272617. The next prime is 87272701. The reversal of 87272663 is 36627278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87272663 - 212 = 87268567 is a prime.

It is a super-2 number, since 2×872726632 = 15233035414223138, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87272663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87272063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43636331 + 43636332.

It is an arithmetic number, because the mean of its divisors is an integer number (43636332).

Almost surely, 287272663 is an apocalyptic number.

87272663 is a deficient number, since it is larger than the sum of its proper divisors (1).

87272663 is an equidigital number, since it uses as much as digits as its factorization.

87272663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 87272663 is about 9341.9838899454. The cubic root of 87272663 is about 443.5671846825.

The spelling of 87272663 in words is "eighty-seven million, two hundred seventy-two thousand, six hundred sixty-three".