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8287400899 is a prime number
BaseRepresentation
bin1111011011111011…
…11011001111000011
3210101120012120211001
413231331323033003
5113433033312044
63450203432431
7412240513441
oct75575731703
923346176731
108287400899
113573026a58
121733525717
13a20c4c31b
1458891bb91
1533786b2d4
hex1edf7b3c3

8287400899 has 2 divisors, whose sum is σ = 8287400900. Its totient is φ = 8287400898.

The previous prime is 8287400897. The next prime is 8287400923. The reversal of 8287400899 is 9980047828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8287400899 - 21 = 8287400897 is a prime.

Together with 8287400897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8287400897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143700449 + 4143700450.

It is an arithmetic number, because the mean of its divisors is an integer number (4143700450).

Almost surely, 28287400899 is an apocalyptic number.

8287400899 is a deficient number, since it is larger than the sum of its proper divisors (1).

8287400899 is an equidigital number, since it uses as much as digits as its factorization.

8287400899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 8287400899 is about 91035.1629811250. The cubic root of 8287400899 is about 2023.6688624214.

The spelling of 8287400899 in words is "eight billion, two hundred eighty-seven million, four hundred thousand, eight hundred ninety-nine".