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1078487087 is a prime number
BaseRepresentation
bin100000001001000…
…0110100000101111
32210011100211011012
41000102012200233
54202043041322
6255003415435
735503663136
oct10022064057
92704324135
101078487087
11503861347
1226122457b
1314258aa52
14a333c91d
1564a36ae2
hex4048682f

1078487087 has 2 divisors, whose sum is σ = 1078487088. Its totient is φ = 1078487086.

The previous prime is 1078487077. The next prime is 1078487161. The reversal of 1078487087 is 7807848701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078487087 - 24 = 1078487071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078487057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539243543 + 539243544.

It is an arithmetic number, because the mean of its divisors is an integer number (539243544).

Almost surely, 21078487087 is an apocalyptic number.

1078487087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078487087 is an equidigital number, since it uses as much as digits as its factorization.

1078487087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 50.

The square root of 1078487087 is about 32840.3271451428. The cubic root of 1078487087 is about 1025.5062617473.

The spelling of 1078487087 in words is "one billion, seventy-eight million, four hundred eighty-seven thousand, eighty-seven".