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80874671 is a prime number
BaseRepresentation
bin1001101001000…
…00110010101111
312122011212012012
410310200302233
5131200442141
612005231435
72001265133
oct464406257
9178155165
1080874671
1141719379
122310257b
13139a8547
14aa533c3
157177ceb
hex4d20caf

80874671 has 2 divisors, whose sum is σ = 80874672. Its totient is φ = 80874670.

The previous prime is 80874653. The next prime is 80874679. The reversal of 80874671 is 17647808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80874671 - 210 = 80873647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80874679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40437335 + 40437336.

It is an arithmetic number, because the mean of its divisors is an integer number (40437336).

Almost surely, 280874671 is an apocalyptic number.

80874671 is a deficient number, since it is larger than the sum of its proper divisors (1).

80874671 is an equidigital number, since it uses as much as digits as its factorization.

80874671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 80874671 is about 8993.0345823865. The cubic root of 80874671 is about 432.4516007186.

The spelling of 80874671 in words is "eighty million, eight hundred seventy-four thousand, six hundred seventy-one".