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5761781948887 is a prime number
BaseRepresentation
bin101001111011000010011…
…1101110110000111010111
3202101211011111020201020021
41103312010331312013113
51223400112134331022
620130532011250011
71133163220326466
oct123660475660727
922354144221207
105761781948887
111921615778848
12790809149907
1332a4451cb0c3
1415cc2c0789dd
159ed256bb7c7
hex53d84f761d7

5761781948887 has 2 divisors, whose sum is σ = 5761781948888. Its totient is φ = 5761781948886.

The previous prime is 5761781948863. The next prime is 5761781948941. The reversal of 5761781948887 is 7888491871675.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5761781948887 - 219 = 5761781424599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5761781948837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880890974443 + 2880890974444.

It is an arithmetic number, because the mean of its divisors is an integer number (2880890974444).

Almost surely, 25761781948887 is an apocalyptic number.

5761781948887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5761781948887 is an equidigital number, since it uses as much as digits as its factorization.

5761781948887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1517322240, while the sum is 79.

The spelling of 5761781948887 in words is "five trillion, seven hundred sixty-one billion, seven hundred eighty-one million, nine hundred forty-eight thousand, eight hundred eighty-seven".