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87016697 is a prime number
BaseRepresentation
bin1010010111111…
…00010011111001
320001201220110122
411023330103321
5134234013242
612345023025
72104425665
oct513742371
9201656418
1087016697
1145133a29
1225184a75
1315049091
14b7b18a5
15798cad2
hex52fc4f9

87016697 has 2 divisors, whose sum is σ = 87016698. Its totient is φ = 87016696.

The previous prime is 87016687. The next prime is 87016703. The reversal of 87016697 is 79661078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76545001 + 10471696 = 8749^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 87016697 - 214 = 87000313 is a prime.

It is not a weakly prime, because it can be changed into another prime (87016687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43508348 + 43508349.

It is an arithmetic number, because the mean of its divisors is an integer number (43508349).

Almost surely, 287016697 is an apocalyptic number.

It is an amenable number.

87016697 is a deficient number, since it is larger than the sum of its proper divisors (1).

87016697 is an equidigital number, since it uses as much as digits as its factorization.

87016697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 87016697 is about 9328.2740632981. The cubic root of 87016697 is about 443.1331071769.

The spelling of 87016697 in words is "eighty-seven million, sixteen thousand, six hundred ninety-seven".