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1078841087 is a prime number
BaseRepresentation
bin100000001001101…
…1100111011111111
32210012000210202022
41000103130323333
54202140403322
6255015150355
735506666202
oct10023347377
92705023668
101078841087
11503a83305
122613753bb
13142682c0c
14a33d1939
1564aa6942
hex404dceff

1078841087 has 2 divisors, whose sum is σ = 1078841088. Its totient is φ = 1078841086.

The previous prime is 1078841069. The next prime is 1078841107. The reversal of 1078841087 is 7801488701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078841087 - 212 = 1078836991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078841047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539420543 + 539420544.

It is an arithmetic number, because the mean of its divisors is an integer number (539420544).

Almost surely, 21078841087 is an apocalyptic number.

1078841087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078841087 is an equidigital number, since it uses as much as digits as its factorization.

1078841087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 1078841087 is about 32845.7164178223. The cubic root of 1078841087 is about 1025.6184527070.

The spelling of 1078841087 in words is "one billion, seventy-eight million, eight hundred forty-one thousand, eighty-seven".