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887680441 is a prime number
BaseRepresentation
bin110100111010001…
…110110110111001
32021212022211122101
4310322032312321
53304221233231
6224030023401
730666105424
oct6472166671
92255284571
10887680441
114160884aa
12209347b61
13111ba20cb
1485c709bb
1552de6661
hex34e8edb9

887680441 has 2 divisors, whose sum is σ = 887680442. Its totient is φ = 887680440.

The previous prime is 887680439. The next prime is 887680447. The reversal of 887680441 is 144086788.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485276841 + 402403600 = 22029^2 + 20060^2 .

It is a cyclic number.

It is not a de Polignac number, because 887680441 - 21 = 887680439 is a prime.

Together with 887680439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 887680391 and 887680400.

It is not a weakly prime, because it can be changed into another prime (887680447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443840220 + 443840221.

It is an arithmetic number, because the mean of its divisors is an integer number (443840221).

Almost surely, 2887680441 is an apocalyptic number.

It is an amenable number.

887680441 is a deficient number, since it is larger than the sum of its proper divisors (1).

887680441 is an equidigital number, since it uses as much as digits as its factorization.

887680441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 887680441 is about 29793.9665200859. The cubic root of 887680441 is about 961.0637950721.

The spelling of 887680441 in words is "eight hundred eighty-seven million, six hundred eighty thousand, four hundred forty-one".