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79714943887 is a prime number
BaseRepresentation
bin100101000111101100…
…0011000001110001111
321121202110201201112011
41022033120120032033
52301224011201022
6100342011522051
75521260562135
oct1121730301617
9247673651464
1079714943887
113089700a217
1213548459327
137695069c67
143c02d75755
152118462977
hex128f61838f

79714943887 has 2 divisors, whose sum is σ = 79714943888. Its totient is φ = 79714943886.

The previous prime is 79714943879. The next prime is 79714943923. The reversal of 79714943887 is 78834941797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79714943887 - 23 = 79714943879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79714943807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39857471943 + 39857471944.

It is an arithmetic number, because the mean of its divisors is an integer number (39857471944).

Almost surely, 279714943887 is an apocalyptic number.

79714943887 is a deficient number, since it is larger than the sum of its proper divisors (1).

79714943887 is an equidigital number, since it uses as much as digits as its factorization.

79714943887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 67.

The spelling of 79714943887 in words is "seventy-nine billion, seven hundred fourteen million, nine hundred forty-three thousand, eight hundred eighty-seven".