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16897827959 is a prime number
BaseRepresentation
bin11111011110011000…
…00110010001110111
31121121122020121012222
433233030012101313
5234101320443314
611432431032555
71135513111355
oct175714062167
947548217188
1016897827959
117191424281
12333706b75b
131793a9c08c
14b642c47d5
1568d743c8e
hex3ef306477

16897827959 has 2 divisors, whose sum is σ = 16897827960. Its totient is φ = 16897827958.

The previous prime is 16897827941. The next prime is 16897827983. The reversal of 16897827959 is 95972879861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16897827959 - 224 = 16881050743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16897827892 and 16897827901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16897827659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8448913979 + 8448913980.

It is an arithmetic number, because the mean of its divisors is an integer number (8448913980).

Almost surely, 216897827959 is an apocalyptic number.

16897827959 is a deficient number, since it is larger than the sum of its proper divisors (1).

16897827959 is an equidigital number, since it uses as much as digits as its factorization.

16897827959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 71.

The spelling of 16897827959 in words is "sixteen billion, eight hundred ninety-seven million, eight hundred twenty-seven thousand, nine hundred fifty-nine".