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86975827 is a prime number
BaseRepresentation
bin1010010111100…
…10010101010011
320001122211101221
411023302111103
5134231211302
612344105511
72104165561
oct513622523
9201584357
1086975827
1145106254
1225165297
13150335b3
14b7a0a31
157980937
hex52f2553

86975827 has 2 divisors, whose sum is σ = 86975828. Its totient is φ = 86975826.

The previous prime is 86975807. The next prime is 86975839. The reversal of 86975827 is 72857968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86975827 - 211 = 86973779 is a prime.

It is not a weakly prime, because it can be changed into another prime (86975807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43487913 + 43487914.

It is an arithmetic number, because the mean of its divisors is an integer number (43487914).

Almost surely, 286975827 is an apocalyptic number.

86975827 is a deficient number, since it is larger than the sum of its proper divisors (1).

86975827 is an equidigital number, since it uses as much as digits as its factorization.

86975827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 86975827 is about 9326.0831542508. The cubic root of 86975827 is about 443.0637193969.

The spelling of 86975827 in words is "eighty-six million, nine hundred seventy-five thousand, eight hundred twenty-seven".